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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Anker 765 USB-C to USB-C 100W (1.8m)
PD 100W braided cable. Ideal for charging MacBook Pro / Strix G16 from a single USB-C charger.
Anker 7-in-1 USB-C Hub
USB-C hub with HDMI 4K30, 100W PD passthrough, SD/microSD, 2× USB-A 3.0, 1× USB-C data. Slim aluminium body.
Out of stockUSB-C to USB-C 100W PD Cable 2m
USB-C PD 3.0, 100W charging, USB 2.0 data, E-marker chip.
Out of stockThunderbolt 4 Cable 1m
Active TB4 cable, 40 Gbps, 100W PD, DP 1.4 alt mode.
Out of stockAnker 100W 3-Port GaN PD Charger
100W GaN II charger, 2x USB-C PD + 1x USB-A. Charges laptops + phones simultaneously.
Out of stockUGREEN Revodok Pro 1112 USB-C Hub
11-in-1 USB-C dock: HDMI 4K@60Hz, DP 1.4, 100W PD, 2.5G LAN, SD/microSD, 3x USB-A.
Out of stockSatechi Thunderbolt 4 Multimedia Pro Hub
TB4 hub, 3x TB4 ports + HDMI 8K, SD, 100W PD passthrough.
Out of stockUGREEN USB-C 7-in-1 Hub
HDMI 4K@60Hz, 100W PD, SD/microSD, 2x USB-A 3.0, USB-C data.
Out of stockGold AP-55 TPA3116D2 2×50W Bluetooth Stereo Digital Amplifier Board with USB, TF Card, FM & Remote
[Amplifier Board] Gold AP-55 TPA3116D2 2×50W Bluetooth Stereo Digital Amplifier Board with USB, TF Card, FM & Remote The Gold AP-55 is a compact Class-D stereo digital audio amplifier board based on the TPA3116D2 amplifier IC, designed for DIY Bluetooth speakers, home audio systems, portable speakers, bookshelf speakers, multimedia systems, and custom audio projects. Available product listings consistently identify the AP-55 as a dual-channel 50W + 50W amplifier, with a DC input range around 8–24V or 12–24V depending on the listing/version. The AP-55 combines the power amplifier with a multimedia player supporting Bluetooth 5.0, USB, TF/SD card, FM radio and AUX input. The Bluetooth device name is reported as GD-82EM, while the FM tuner covers 87.5–108.0MHz. It also includes an infrared remote control and a digital display for convenient operation. The TPA3116D2 Class-D amplifier provides efficient stereo amplification, making the board suitable for building compact but powerful audio systems. One detailed listing specifies support for 4Ω–8Ω speakers, with the commonly advertised maximum output of 50W per channel. ⭐ Key Features Gold AP-55 amplifier module TPA3116D2 Class-D amplifier IC 50W + 50W dual-channel stereo output Supports 4Ω–8Ω speakers Bluetooth 5.0 wireless audio Bluetooth device name: GD-82EM Built-in USB music player Built-in TF / SD card player Built-in FM radio FM frequency range 87.5–108.0MHz 3.5mm AUX input Infrared remote control Digital display Supports MP3 / WMA / WAV Power-off memory function Remembers the previous song and volume Compact design for DIY speaker projects High-efficiency Class-D amplification 📋 Technical Specifications Product Type: Stereo Class-D Digital Amplifier Board Model: Gold AP-55 Amplifier IC: TPA3116D2 Amplifier Class: Class-D Number of Channels: 2 / Stereo Output Power: 50W + 50W Maximum Total Output: 100W Speaker Impedance: 4Ω–8Ω Input Voltage: DC 8–24V (some listings specify 12–24V; verify the exact board version before use) Bluetooth Version: 5.0 Bluetooth Name: GD-82EM Bluetooth Range: Up to approximately 10–15m under suitable conditions Audio Formats: MP3 / WMA / WAV USB Support: Yes TF/SD Card Support: Yes FM Radio: Yes FM Frequency: 87.5–108.0MHz AUX Input: 3.5mm / Wired Audio Input Remote Control: IR Remote Remote Range: Approximately 4–7m Display: Digital Display Power-Off Memory: Yes Memory Function: Last song and volume Audio Input Modes: Bluetooth / USB / TF Card / FM / AUX Output: Dual-Channel Stereo Efficiency: Greater than 90% according to one detailed listing SNR: Approximately 102dB according to one detailed listing Distortion: Below 0.1% at normal listening levels according to one detailed listing Board Size: Approximately 70 × 50 × 20mm with shell, according to one listing 🎵 Audio & Playback Functions The AP-55 can switch between Bluetooth, USB, TF/SD Card, FM Radio and AUX sources. When Bluetooth mode is selected, users can pair a phone or other compatible device with GD-82EM. USB and TF/SD cards can be used for local music playback, while AUX provides a wired audio input. 📻 FM Radio The built-in FM tuner supports the 87.5–108.0MHz broadcast band. FM stations can be searched and selected using the onboard controls or remote control. 🎛️ Controls & Remote The module provides controls for functions such as previous track, next track, volume up, volume down, play/pause, mode selection and FM station selection. The infrared remote provides additional wireless control of playback, volume, mode and other supported functions. 🔧 Applications DIY Bluetooth Speakers High-Power Bluetooth Speaker Projects Portable Speaker Systems Bookshelf Speaker Systems Home Audio Projects Multimedia Speaker Systems USB MP3 Speaker Systems TF/SD Card Music Players FM Radio Speaker Projects Car Audio Projects Custom Wooden Speaker Cabinets Desktop Audio Systems Electronics DIY Projects 🛠️ Installation Connect a suitable DC power supply within the specified voltage range and observe the correct polarity. Connect the left and right speaker outputs to compatible 4Ω–8Ω speakers. Select Bluetooth, USB, TF/SD, FM or AUX according to the desired audio source. For maximum advertised output, a suitable 24V high-current power supply is recommended by one vendor; at lower supply voltages, available output power will be lower. 📦 Package Includes 1 × Gold AP-55 TPA3116D2 2×50W Bluetooth Amplifier Board 1 × IR Remote Control 1 × Required Connecting Wires/Cables (package contents may vary by seller/version) ⚠️ Precautions Verify the exact input voltage requirement of your AP-55 version before powering it. Do not exceed 24V DC where the board specification limits input to 24V. Check power polarity carefully before connection. Use speakers with a compatible 4Ω–8Ω impedance. Do not short-circuit the speaker output terminals. Ensure adequate ventilation during high-power operation. Use a suitable high-current power supply for high-output operation. Do not connect the speaker outputs together or directly to ground. Keep the board away from moisture and conductive materials. Incorrect wiring or excessive voltage can permanently damage the amplifier IC.
QC3.0 PD 2.0 Power Bank Dual Type-C Port Two-way Fast Charging Mobile Power Bank Module
[Lithium Battery Protection Board] 📝 Description Upgrade your portable power solutions with this advanced QC3.0 PD 2.0/3.0 Fast Charging Power Bank Module, engineered for high-performance mobile power systems and professional DIY applications. The motherboard features 5 default USB interfaces — Type-C, Lightning, Micro-USB, Type-A1, and Type-A2, along with a dedicated DC input port (charge-only, no discharge) supporting 5V–12V input. This multi-interface design ensures maximum compatibility with smartphones, tablets, laptops, and other USB-powered devices. 🔌 Port & Charging Capabilities Type-C Port supports bi-directional fast charging, allowing both input and output operation. Input protocols: AFC / FCP / SCP / VOOC / PD2.0 / PD3.0 Output protocols: PPS / PD2.0 / PD3.0 / AFC / FCP / QC2.0 / QC3.0 / QC3+ / SCP Lightning Port supports PD2.0 fast-charging input Micro-USB Port supports AFC / FCP / SCP fast-charging input Type-A1 & Type-A2 Ports support Apple / AFC / FCP / VOOC / QC2.0 / QC3.0 / QC3+ / SCP fast-charging output DC Port supports 5–12V input only (charging function, no output) ⚡ Fast-Charging Performance Input Voltage Support: 5V / 9V / 12V / 15V / 20V PPS Output: 3.3V–21V / 3A PD2.0 / PD3.0 Output: 5V ⎓ 3A 9V ⎓ 3A 12V ⎓ 3A 15V ⎓ 3A 20V ⎓ 5A QC2.0 Output: 5V ⎓ 3A / 9V ⎓ 3A / 12V ⎓ 3A QC3.0 Output: 5V–12V (200mV step adjustment) AFC Output: 5V ⎓ 3A / 9V ⎓ 2A / 12V ⎓ 2A FCP Output: 5V ⎓ 3A / 9V ⎓ 2A / 12V ⎓ 1.5A SCP Output: 5V ⎓ 4.5A / 10V ⎓ 2.2A VOOC Output: 5V ⎓ 4A 🔋 Battery & Power Options Powered by 18650 or Li-polymer battery packs, the module is available in three high-power variants: 3S – 65W (GXJA0707-001) 4S – 100W (GXJA0707-002) 5S – 100W (GXJA0707-003) The built-in digital display provides real-time monitoring of voltage, current, and power status, enabling precise control and safe operation. Compact, efficient, and feature-rich, this power bank module is ideal for DIY high-capacity power banks, portable charging stations, laptop backup batteries, and custom lithium battery systems up to 25,000mAh. ⭐ Key Features ✔ Multi-Port Design: Type-C, Lightning, Micro-USB, 2× USB-A, DC input✔ Bi-Directional Type-C Fast Charging (Input & Output)✔ Supports PPS, PD2.0/3.0, QC2.0/3.0, QC3+, AFC, FCP, VOOC, SCP✔ High Power Output: 65W (3S) / 100W (4S & 5S)✔ Digital Display for Real-Time Monitoring✔ Compatible with 18650 & Li-polymer Battery Packs✔ Compact & Portable PCB Design✔ Ideal for DIY Power Banks & Professional Builds 📦 Package Includes 1 × QC3.0 PD 2.0/3.0 Power Bank Fast Charging Module(Select Variant: 3S 65W / 4S 100W / 5S 100W) 1 × Integrated Digital Display (On-Board)
ZK-MT21 bluetooth 5.0 Subwoofer Amplifier Board 50WX2+100W 2.1 Channel Power Audio Stereo Amplifier Tone Board Bass AMP AUX
[Amplifier Board] ZK-MT21 2.1 Channel Bluetooth 5.0 Audio Amplifier Module – 50W × 2 + 100W Subwoofer The ZK-MT21 2.1 Channel Bluetooth Audio Amplifier Module is a compact high-power stereo amplifier board designed for DIY Bluetooth speaker and home audio projects. It supports Bluetooth 5.0 and AUX audio input and provides dedicated left, right and subwoofer channels with adjustable volume, bass, treble, subwoofer volume and subwoofer frequency controls. With a suitable DC power supply and properly matched speakers, the module can deliver up to 50W + 50W for the left/right channels and up to 100W for the subwoofer channel. The board includes protection against reverse connection, overheating, overcurrent and short circuit. ⭐ Key Features Model: ZK-MT21 2.1 channel stereo audio amplifier Bluetooth 5.0 wireless audio input Bluetooth transmission distance up to approximately 15 meters under suitable conditions AUX wired audio input Left + Right + Subwoofer output Output up to 50W × 2 + 100W subwoofer Supports 4Ω–8Ω speakers Adjustable main volume Adjustable bass and treble for left/right channels Adjustable subwoofer volume Adjustable subwoofer frequency Subwoofer frequency adjustment range 20Hz–200Hz Reverse-polarity protection Overheat protection Overcurrent protection Short-circuit protection Compact amplifier board design Suitable for DIY Bluetooth speaker projects 📋 Technical Specifications Product Name: 2.1 Channel Audio Amplifier Module Model: ZK-MT21 Bluetooth Version: 5.0 Bluetooth Range: Approximately 15m Bluetooth Shielding: No shielding Audio Input: AUX + Bluetooth Channel: 2.1 Input Sensitivity: 500mV Amplifier Chip Solution: Domestic power amplifier chip Power Supply: DC 12–24V Recommended Supply Current: 5A or above Left Channel Output: <50W Right Channel Output: <50W Subwoofer Output: <100W Total Configuration: 50W × 2 + 100W Compatible Speaker Impedance: 4–8Ω Recommended Speaker Power: 20–100W Subwoofer Frequency Adjustment: 20Hz–200Hz Product Dimensions: 93 × 90 × 22mm Package Weight: Approximately 185g Protection: Reverse connection, overheat, overcurrent and short circuit ⚠️ Power Supply Warning:Do not connect this module directly to a 24V battery pack. Use a suitable regulated DC power supply as specified for the module. 🎛️ Control Functions MAIN-VOLUME: Controls the overall volume of the left, right and subwoofer channels. R&L CHANNEL-BASS: Adjusts bass level for the left and right channels. R&L CHANNEL-TREBLE: Adjusts treble level for the left and right channels. SUBWOOFER-VOLUME: Controls the subwoofer volume. SUBWOOFER-FREQ: Adjusts the subwoofer cutoff frequency from approximately 20Hz to 200Hz. 🔊 Speaker Selection Left and right channels can be connected to 4Ω–8Ω full-range or mid/high-frequency speakers. Recommended speaker power is 20W–100W. The subwoofer output should be connected to a suitable subwoofer speaker, not a regular full-range speaker. The subwoofer should have suitable low-frequency performance, with the source information recommending a frequency capability of at least 50Hz. Speaker impedance and power should be matched correctly with the amplifier. 🔌 Power Supply Selection The power supply is important for achieving proper amplifier performance and sound quality. A power supply with excessive ripple may increase background noise. Recommended supply: 18V / 19V / 24V with current above 5A Lower-voltage or lower-current supplies can be used, but available output power will be reduced. Insufficient supply current can cause voltage drop, abnormal operation or poor sound quality. If the amplifier is operated near maximum volume, an inadequate power supply may result in distortion. The power supply should have sufficient capacity for the actual amplifier load. Higher supply voltage can provide greater available output power within the module's specified operating range. 📱 Bluetooth & AUX Input The ZK-MT21 provides two audio input methods: Bluetooth Bluetooth 5.0 wireless audio input Bluetooth is the preferred input mode according to the supplied product information. Bluetooth supports automatic reconnection. Once Bluetooth is successfully connected, the module operates in Bluetooth mode. AUX Connect an external audio source through the AUX input. When using AUX, ensure the Bluetooth connection has been disconnected if necessary. 🔧 Applications DIY Bluetooth speakers 2.1 channel speaker systems Home audio projects Portable audio systems Subwoofer amplifier projects Custom speaker cabinets Desktop speaker systems Multimedia speaker systems Electronics and audio DIY projects Replacement/custom amplifier systems 🛠️ Installation & Usage Connect a suitable DC 12–24V power supply to the amplifier module. Connect the left and right speakers to their respective output terminals. Connect a suitable subwoofer to the subwoofer output. Ensure the speaker impedance is within the supported 4–8Ω range. Connect the audio source through Bluetooth or AUX. Adjust the main volume, bass, treble, subwoofer volume and frequency according to your requirements. Start with a low volume and gradually increase it. Ensure adequate ventilation and heat dissipation during high-power operation. ⚠️ Important Precautions Do not connect directly to a 24V battery pack. Use a suitable regulated DC power supply. Do not reverse the power supply polarity. Do not short-circuit the speaker outputs. Do not exceed the recommended speaker power and impedance. Ensure the power supply can provide sufficient current. Insufficient power may cause distortion or abnormal operation. Excessive load can cause the amplifier to heat up and activate thermal protection. Provide adequate ventilation during high-power operation. If distortion occurs at high volume, reduce the volume or use a more suitable power supply. The amplifier's actual output depends on the power supply, speaker impedance, audio input and overall system configuration. 📦 Package Includes 1 × ZK-MT21 Bluetooth 5.0 2.1 Channel Audio Amplifier Module
Out of stockTPA3116D2 50Wx2+100W Original IC 2.1 Channel Digital Subwoofer Amplifier Board 12V-24V
[Amplifier Board] This is TPA3116D2 IC 50Wx2+100W 2.1 Channel Amplifier Board 12V-24V. DC12-24V TPA3116D2 2.1 Channel Digital Subwoofer Power Amplifier Board adopts two high-quality TPA3116D2 digital amplifier chips. Sound quality is very good, high efficiency and amplifying power. 50W x 2+100W 2.1 channels (left/right channel and subwoofer channel), high efficiency and low-heat. Users can adjust the volume by themselves easily. It is powered by DC 12-24V, wide input voltage. You can check our others amplifier boards here. Features: Adopts two high-quality TPA3116D2 digital amplifier chips. Good sound quality, high efficient device and power amplifying feature. 50W x 2+100W 2.1 channels(left/right channel and subwoofer channel), high efficiency and low-heat. Powered by DC 12-24V, wide input voltage. User can adjust the volume by themselves easily. Applicable speaker impedance: 4-8 ohm. Just connect the power supply and loudspeaker box, enjoy pure digital music!. Specification Supply Voltage DC 12-24V Main Chip TPA3116 x 2 Channel Type 3 Channels(Left Channel, Right Channel, Subwoofer) Output Power 50W x 2 + 100W x 1 Subwoofer Output Match 4-8 ohm Audio Output Terminals Frequency Response Range 14-100KHz SNR 100dB Switching Frequency 1.2MHz PCB Board Size (LxWxH) mm 100 x 70 x 30 Weight 113g Shipping Weight 0.13 kg Shipping Dimensions 14 × 10 × 3 cm Package includes: 1 x TPA3116D2 50Wx2+100W Original IC 2.1 Channel Digital Subwoofer Amplifier Board 12V-24V
High power LED 20-100W lamp bead lens 44MM optical glass 90 degree led lens
[LED Lens] The 44mm High Power LED Lens Kit is designed for improving the light output and beam control of 20W to 100W integrated LED light sources. It includes a high-quality optical glass lens, reflective collimator, and metal fixing bracket for stable mounting. In addition, the lens provides a wide 90-degree light distribution, helping create uniform and efficient illumination. As a result, it is suitable for flood lighting, DIY LED lamps, spotlights, and industrial lighting systems. Because of its optical-grade glass construction, the lens delivers excellent light transmission and improved brightness. Furthermore, the included 50mm reflector helps focus and direct the LED beam more efficiently. The durable metal bracket ensures secure mounting and easy installation onto LED modules and heatsinks. Moreover, the compact design makes it suitable for custom lighting projects and high-power LED applications. This LED lens kit is widely used in flood lights, high-power LED lamps, DIY lighting systems, stage lighting, projection lighting, and industrial illumination projects. 🔹 Key Features Suitable for 20W to 100W high power LEDs High-quality optical glass lens Includes reflective collimator and fixing bracket Wide 90° beam angle design Efficient light focusing and distribution Durable metal reflector housing Easy installation and mounting Ideal for DIY and industrial lighting projects 🔹 Technical Specifications Product Type: High Power LED Lens Kit Lens Diameter: 44mm Reflector Diameter: 50mm Beam Angle: 60°–80° Lens Type: Optical Glass Lens Reflector Material: Metal Bracket Material: Metal Applicable LED Power: 20W–100W Light Angle: 90 Degrees Application Type: Integrated High Power LED Source 🔹 Applications This LED lens kit is suitable for many lighting applications, including: High power LED flood lights DIY LED lamps Spot lighting systems Stage lighting Industrial lighting Projection lighting projects Outdoor LED lighting systems 🔹 Package Includes 1 × 44mm Optical Glass Lens 1 × 50mm Reflector 1 × Metal Fixing Bracket
Wuzhi Audio ZK-MT21 Bluetooth 5.0 Subwoofer Amplifier Board 50WX2+100W 2.1 Channel Power Audio Stereo Amplifier Tone Board Bass AMP AUX
[Amplifier Board] Tip: Only when the audio input is sufficient and the power supply voltage/current is sufficient, there will be sufficient output power. The higher the power supply voltage, the greater the output power, and the smaller the speaker impedance, the greater the output power. Please make sure that the power of the adapter power supply is greater than the actual working power of the amplifier! You can check our others amplifier boards here. FAQ: 1. How to choose a power supply? The power supply with the board is very important. The ripple of the selected power supply must be small. A power supply with a large ripple will cause the bottom noise of the power amplifier board to become larger and there will be current noise. The higher the voltage, the greater the current, and the more adequate the output power. The power supply is 12V1A and can be equipped with 3-4inch speakers. If it is above 19V 5A, there is no problem with 8-10 inches, and the power supply must be highly regarded. If the voltage is too low, the amplified sound will easily cause sound distortion. If the current is too low, the speaker will pull down the voltage, which will result in abnormal operation or poor sound quality. It is recommended to use a power supply of 18V19V24V with a current above 5A. If you only have 9V12V or 1A 2A power supply, it can be used but the power is low. When the volume is selected close to the maximum, it may be distorted and affect the sound quality. 2. How to choose a speaker? Regarding speaker types: commonly used speakers are generally 4-8 ohms, which can be used. The left and right channel speakers need to be connected to full-range speakers or mid- to high-frequency speakers, and the power is between 20W-100W. The subwoofer speaker cannot be connected to an ordinary speaker, and a speaker with a subwoofer speaker must be connected with a power between 20-100. The dive frequency of the subwoofer speaker must be at least 50 Hz. If your speaker has a low power, such as between 20W-50W, it can be used. You need a lower power supply voltage to prevent the speaker from burning after amplifying the sound. For example, choose a power supply below 15V. If you are a 50W-100W speaker, don't worry about the problem of speaker burnout. You can choose a 12-24V power supply. The higher the selected voltage, the greater the sound or power that can be output. The speaker power should not exceed 100W, otherwise it will affect the sound quality. 3. Introduction to audio input mode This audio power amplifier module has two audio input methods: one is Bluetooth input, the other is AUX input, Bluetooth mode is preferred. Bluetooth can be connected in any mode. As long as the Bluetooth connection is successful, it is in Bluetooth mode, and the Bluetooth mode supports automatic connection back. When Bluetooth is not connected, AUX plug-in is in AUX mode. It should be note that when using AUX mode, you need to confirm that the Bluetooth connection of this module has been disconnected. 4. How to adjust the main volume? The MAIN—VOLUME knob adjusts the main volume. Right-handed main volume increases, left-handed main volume decreases. The main volume affects the volume of the left and right channels and the subwoofer. 5. How to adjust the left and right channel high and low sounds? The R&L CHANNEL—BASS knob controls the bass, right-turning bass enhancement, left-turning bass attenuation. When the knob is in the rightmost position, the bass is neither enhanced nor attenuated. The R&L CHANNEL—TREBLE knob controls the treble, the right-handed treble is enhanced, and the left-handed treble is attenuated. When the knob is in the middle position, the high pitch is neither enhanced nor attenuated. Note when adjusting the treble and bass: when the treble or bass is adjusted to the maximum by turning right, if the sound is distorted, the gain of the treble or bass adjustment is too large. You need to turn the treble or bass knob to the left to lower the gain or turn the right Turn the MAIN-VOLUME knob to the left to reduce the total volume. 6. How to adjust the subwoofer? SUBWOOFER—VOLUME knob is used to control the volume of the subwoofer. Right-handed volume increases, and left-handed volume decreases. The SUBWOOFER—FREQ knob controls the cutoff frequency of the subwoofer. The right-hand frequency increases, and the left-hand frequency decreases. The frequency adjustment range is 20HZ-200HZ. 7. The voice is small and okay. When the voice becomes louder, the voice becomes muddy? The sound is distorted, please turn down the total volume or change to a higher voltage adapter power supply. 8. The sound is small, but when the sound becomes louder, the sound freezes? If the input power is insufficient, the power supply itself is protected against intermittent power failure. Please replace it with a higher-power power supply; or if the power is too large, the power amplifier board will generate serious heat and thermal protection has occurred. Reduce power usage or enhance heat dissipation. 9. What factors are related to the sound quality? The sound quality is not only related to the power amplifier module, but also related to the power supply, sound source, and the entire audio system. Basically, every aspect of the audio system will affect the sound quality, among which the main links are the audio transmission line, the audio power supply, the tone circuit, the power amplifier circuit, the speakers and the surrounding environment. The sound quality is the best only when the sound source, power supply, amplifier module and speakers are matched. Feature: Product Name: 2.1 channel audio amplifier module Product Model: ZK-MT21 Bluetooth Version: 5.0 (no shielding, 15 meters) Input Sensitivity: 500mV Audio Input: AUX + Bluetooth Channel: 2.1 Chip Solution: Domestic power amplifier chip Power Range: DC 12-20 V / 5A above (Do not connect to 24V battery pack) Adapter Speaker: 20-100 W, 4-8 Ω Output Power: Left and right channels <50W, Subwoofer <100W Protection Mechanism: Anti reverse connection. Overheat. Overcurrent. Short circuit Product Dimensions: 93mm*90mm*22mm Package Weight : about 185g (packaging) Package Includes: 1 x ZK-MT21 bluetooth 5.0 Subwoofer Amplifier Board 50WX2+100W 2.1 Channel Power Audio Stereo Amplifier Tone Board Bass AMP AUX
XH-M139 50Wx2+100W 2.1 Channel Digital Subwoofer Amplifier Board 12V-24V
[Amplifier Board] DC12-24V 2.1 Channel Digital Subwoofer Power Amplifier Board adopts two high-quality digital amplifier chips. Sound quality is very good, high efficiency and amplifying power. 50W x 2+100W 2.1 channels (left/right channel and subwoofer channel), high efficiency and low-heat. Users can adjust the volume by themselves easily. It is powered by DC 12-24V, wide input voltage. Features: Adopts two high-quality digital amplifier chips. Good sound quality, high efficient device and power amplifying feature. 50W x 2+100W 2.1 channels(left/right channel and subwoofer channel), high efficiency and low-heat. Powered by DC 12-24V, wide input voltage. User can adjust the volume by themselves easily. Applicable speaker impedance: 4-8 ohm. Just connect the power supply and loudspeaker box, enjoy pure digital music!. Specification Supply Voltage DC 12-24V Main Chip CS3835E0x 2 Channel Type 3 Channels(Left Channel, Right Channel, Subwoofer) Output Power 50W x 2 + 100W x 1 Subwoofer Output Match 4-8 ohm Audio Output Terminals Frequency Response Range 14-100KHz SNR 100dB Switching Frequency 1.2MHz PCB Board Size (LxWxH) mm 100 x 70 x 30 Weight 113g Shipping Weight 0.13 kg Shipping Dimensions 14 × 10 × 3 cm Package includes: 1 x DC12-24V 2.1 Channel Digital Subwoofer Power Amplifier Board
Out of stockHome Theater Board: 2.1 Home Theatre Circuit Board Three 2030 Transistor
[Amplifier Board] Description This is a 2.1 Home Theater Amplifier Board with a capacity of 100W Audio output. Use this 2.1 board for replacement or build your own home theatre. This can be used in 2 channel sound system with one subwoofer to get full bass boost mode. Note: This kit is not for the electronics hobbyist. Proper knowledge about the subject is required to understand and make the complete project. We do not hold any responsibility for any issues or help either due to negligence, ignorance or lack of proper knowledge about the subject. Specification / Feature Stereo Digital Audio Output With TDA2030 circuit, gives high-quality sound Input voltage 12-0-12 V Input current 1.5 to 3 amp Output Power 100 Watt Connection: Connect 2 speakers and 1 subwoofer Package Includes: 1 x 2.1 Home Theater Circuit Board Three 2030 Transistor * Image is only for representations.