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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Keychron K2 V2 Wireless
75% layout, hot-swappable mechanical, Bluetooth + USB-C. Mac/Win toggle. The thinking developer's daily driver.
Logitech MX Master 4 Wireless Ergonomic Mouse (Graphite)
[Mouse] Logitech MX Master 4 Wireless Ergonomic Productivity Mouse - Graphite The gold standard in productivity. Features Quiet Clicks, 8,000 DPI Darkfield sensor that tracks anywhere (even on glass), MagSpeed electromagnetic scrolling up to 1,000 lines per second, and multi-device Logi Bolt + Bluetooth connectivity. ⭐ Key Features - MagSpeed Electromagnetic Scrolling: Ultra-fast, ultra-quiet, pixel-precise - 8,000 DPI Darkfield High Precision sensor tracks on any surface including glass - Quiet Click buttons reduce click noise by 90% - Cross-computer Flow control between up to 3 PCs or Macs - USB-C Quick Charging: Up to 70 days battery life on full charge; 3 hours from 1 minute charge 📋 Technical Specifications - Sensor: Darkfield high precision (200 - 8000 DPI) - Buttons: 7 buttons (Left/Right, Back/Forward, App-Switch, Wheel mode-shift, Middle click) - Wireless: Bluetooth Low Energy + Logi Bolt USB Receiver (10m range) - Battery: Rechargeable Li-Po (500 mAh) - Weight: 141 grams 📦 Package Includes - 1 x Logitech MX Master 4 Mouse (Graphite) - 1 x Logi Bolt USB Receiver - 1 x USB-C Charging Cable
Only 2 leftRC Car Kit
Chassis: 2WD/4WD. Motors: TT DC geared motors (3–6V) or higher. Driver: L298N/L293D. Controller: Arduino/ESP32 optional. Remote: IR/2.4GHz/Bluetooth. Power: 2×18650 or 4×AA. Optional ultrasonic/line sensor.
WD Blue 1 TB 7200 RPM HDD
Bulk storage. SATA 6 Gb/s, 64 MB cache, 5-year design life. Cheap mass storage for game libraries you don't replay often.
WD Blue SN570 500 GB NVMe (Gen 3)
Entry NVMe at SATA SSD prices. ~3500 MB/s read. Great budget OS drive for older boards limited to PCIe 3.0.
SteelSeries Arctis Nova 7
Premium wireless headset. Simultaneous 2.4 GHz + Bluetooth, ClearCast Gen 2 mic, 38-hour battery.
Only 2 leftLogitech G PRO X 2 LIGHTSPEED
Wireless tournament-grade headset. Graphene drivers, Blue Voice mic processing, 50-hour battery.
Out of stockWD Blue SN580 500 GB NVMe
PCIe 4.0 NVMe M.2, up to 4000 MB/s read. Budget mainstream SSD.
Out of stockWD Blue SN580 1 TB NVMe
PCIe 4.0 NVMe M.2, up to 4150 MB/s read. Reliable 1 TB OS + games drive.
Out of stockHyperX Alloy Origins Core (TKL)
Tenkeyless mechanical, HyperX Red/Aqua/Blue switches, aircraft-grade aluminium.
Out of stockKeychron K2 V2 Wireless Mechanical (75%)
75% layout, Bluetooth + USB-C, Gateron switches, RGB. Mac/Windows toggle.
Out of stockBlue Yeti X USB Mic
Four-capsule USB condenser, real-time LED metering, 4 pickup patterns.
Out of stockIntel BE200 WiFi 7 M.2 Card
WiFi 7 + Bluetooth 5.4 M.2 module for laptops + custom builds.
Out of stockXbox Wireless Controller (Robot White)
Microsoft Xbox Wireless Controller, Bluetooth + Xbox Wireless, AA-powered.
Out of stock8BitDo Pro 2 Bluetooth Controller
Multiplatform Bluetooth + USB-C, rumble, motion controls, Switch + PC + Android + iOS.
Out of stock0.96 Inch Blue SPI OLED Display Module 7-Pin 128×64 – SSD1306
[LED/LCD Display] 0.96 Inch Blue SPI OLED Display Module 7-Pin 128×64 – SSD1306 The 0.96-inch Blue OLED Display Module is a compact graphical display based on the SSD1306 driver IC, featuring a 128×64 pixel resolution and blue monochrome display. This version has a 7-pin interface with a dedicated CS (Chip Select) pin, making it suitable for 4-wire SPI communication. The module is factory-configured for SPI and can also be modified for I2C/IIC communication on compatible board versions. With its compact size, wide viewing angle and low-power OLED technology, it is suitable for Arduino, ESP32, ESP8266, STM32, Raspberry Pi and other microcontroller projects. ⭐ Key Features 0.96-inch blue OLED display 128 × 64 pixel resolution SSD1306 driver IC 7-pin interface Dedicated CS (Chip Select) pin Factory configured for 4-wire SPI Supports SPI and I2C/IIC with appropriate configuration 3.3V/5V compatible on supported module versions No backlight required Low power consumption Wide viewing angle of more than 160° Compact PCB design Pre-soldered 7-pin male header Compatible with Arduino, ESP32, ESP8266, STM32 and Raspberry Pi projects 📋 Technical Specifications Display Type: OLED (Organic Light-Emitting Diode) Display Colour: Blue Display Size: 0.96 inch Driver IC: SSD1306 Resolution: 128 × 64 pixels Interface: SPI / I2C Default Interface: 4-wire SPI Input Voltage: 3.3V–5V Viewing Angle: >160° Module Dimensions: Approximately 27 × 27 × 4mm Operating Temperature: Approximately -30°C to +70°C Header: 7-pin male header, pre-soldered Display Type: Monochrome blue OLED 🔌 7-Pin Interface The 7-pin version provides the following connections: GND – Ground VCC – Power supply D0 / SCK / CLK – SPI clock D1 / MOSI / SDA – SPI data RES / RST – Display reset DC / A0 – Data/Command selection CS – Chip Select 🛠️ SPI Connection The module is normally supplied in 4-wire SPI configuration. For an Arduino Uno, a typical connection is: VCC → 5V GND → GND D0 → SCK / D13 D1 → MOSI / D11 RES → Digital I/O DC → Digital I/O CS → Digital I/O The dedicated CS pin allows the OLED to share the SPI bus with other devices such as SD cards or additional SPI peripherals. 🔄 I2C / IIC Configuration On compatible versions, the module can be converted from SPI to I2C by changing the appropriate resistor configuration on the PCB. The supplied board configuration may require: Moving the resistor from R3 to R1 Shorting R8 with solder Using D0 as SCL Using D1 as SDA Configuring DC for the I2C address The exact resistor positions can vary between board revisions, so check the markings on your particular PCB before modification. 🎯 Applications Arduino projects ESP32 projects ESP8266 projects STM32 development Raspberry Pi projects IoT devices Sensor displays Voltage/current meters Battery monitors Temperature displays Digital clocks Data loggers Portable electronic devices Robotics DIY measuring instruments Embedded systems Menu and status displays 💡 Advantages of OLED OLED technology is self-emissive, meaning the pixels produce their own light and do not require a conventional backlight. This provides high contrast, compact construction and a wide viewing angle while keeping power consumption relatively low. ⚠️ Important Notes This is the 7-pin SPI version, not the 6-pin version. The module is normally configured for SPI communication. Check the PCB labels before connecting the module. Do not exceed the specified supply voltage. Although many versions support 5V operation, the exact voltage tolerance can vary between board revisions. I2C operation may require hardware resistor modification. The actual PCB layout and component markings may vary slightly between production batches. Display colour: Blue. Libraries such as Adafruit SSD1306 and U8g2 can be used with compatible microcontrollers. 📦 Package Includes 1 × 0.96 Inch Blue SPI OLED Display Module
2S 4A Type-C Lithium Battery Charging Module – 8.4V Step-Up Boost Charger for 18650 Lipo
[Step UP Buck Converter] 2S 4A Type-C Lithium Battery Charging Module – 8.4V Step-Up Boost Charger for 18650 The 2S 4A Type-C Lithium Battery Charging Module is a compact step-up charging board designed for charging 2-cell series (2S) 18650 Li-ion/Li-Po battery packs. It accepts a 3–6V DC input through USB Type-C and boosts the voltage to 8.4V, the required full-charge voltage for a 2S lithium battery pack. The 4A specification refers to the maximum input current version. According to available product specifications, the corresponding charging current is approximately 2.2A, rather than 4A. ⭐ Key Features Designed for 2S lithium-ion/Li-Po battery packs Suitable for 2 × 18650 cells connected in series USB Type-C input 3–6V DC input Recommended input: 3.7V / 5V Step-up/boost charging circuit 8.4V charging voltage 4A maximum input-current version Approximately 2.2A charging current Automatic recharge function Battery charging protection features Compact PCB design LED charging/status indication Suitable for DIY battery and portable-power projects 📋 Technical Specifications Product Type: 2S Lithium Battery Step-Up Charging Module Battery Configuration: 2S – 2 cells in series Compatible Battery: 3.6V/3.7V Li-ion / Li-Po Nominal Battery Pack Voltage: 7.4V Full-Charge Voltage: 8.4V Input Voltage: DC 3–6V Recommended Input: DC 3.7V / 5V Maximum Input Current: 4A Charging Current: Approximately 2.2A Charging Interface: USB Type-C Charging Mode: Constant-current / constant-voltage Board Size: Approximately 39 × 18 × 6.3mm Operating Temperature: -40°C to +85°C LED Indicators: Charging / fully charged or constant-voltage status 🔋 Charging Performance For the 2S 4A version: USB Type-C 5V → Boost Charging Module → 8.4V → 2S Battery Pack The module draws up to approximately 4A from the input, while the specified charging current is approximately 2.2A. This distinction is important when selecting the USB power adapter. 🔧 Applications 2S 18650 battery packs 7.4V Li-ion battery packs 2S Li-Po battery packs DIY power banks Portable electronics Bluetooth speaker battery systems Robotics projects Solar charging applications Electronic prototyping Portable audio equipment Electric fan projects Type-C rechargeable equipment Custom battery charging systems 🛠️ How It Works The module uses a boost/step-up charging circuit to convert the lower USB Type-C input voltage into the 8.4V charging voltage required for a 2S lithium battery pack. Example: 5V Type-C Input → Step-Up Circuit → 8.4V Charging Output → 2S 18650 Battery A 2S battery pack consists of two lithium cells connected in series: 3.7V + 3.7V = 7.4V nominal4.2V + 4.2V = 8.4V fully charged 💡 LED Indicators The module uses status indicators to show the charging condition: CR: Charging OK: Fully charged / constant-voltage stage ⚠️ Important Notes This module is intended for 2S battery packs only. Do not connect a single 18650 cell directly to the 8.4V charging output. The two cells should be properly matched and in good condition. Do not exceed the 6V maximum input voltage. A suitable Type-C power source is required to supply the necessary input current. The 4A rating is the input-current rating, not the battery charging current. The specified charging current for this 2S 4A version is approximately 2.2A. This charging module should not automatically be considered a replacement for a dedicated 2S BMS/protection board. Use appropriate battery protection where required. Check the PCB polarity and connection markings before connecting the battery. Do not short-circuit the input or output. Use properly matched lithium cells for safe and reliable charging. Keep the module adequately ventilated during higher-current operation. 📦 Package Includes 1 × 2S 4A Type-C Step-Up Boost Lithium Battery Charging Module – 8.4V
48mm Square Internal Magnet Speaker – 4Ohms 5W
[Speakers] 48mm Square Internal Magnet Speaker – 4Ω 5W The 48mm Square Internal Magnet Speaker is a compact full-range audio driver designed for clear and efficient sound reproduction in space-constrained applications. With a 4Ω impedance and 5W power rating, this speaker is suitable for Bluetooth speakers, portable audio systems, DIY speaker projects and embedded electronic devices. Its square frame allows convenient mounting inside compact enclosures and panels. ⭐ Key Features Compact square speaker design 4Ω impedance 5W power rating Internal magnet construction Full-range audio output Compact size for space-limited applications Easy to install inside speaker enclosures Suitable for DIY and commercial audio projects Lightweight and practical design 📋 Technical Specifications Speaker Type: Internal Magnet Speaker Shape: Square Speaker Size: 48mm class Model: 4Ω 5W Impedance: 4Ω Power Rating: 5W Magnet Type: Internal Magnet Audio Type: Full-range Mounting Type: Panel / Enclosure Mount Dimensions: 47 × 29 × 23mm Application: Compact audio systems, DIY electronics and portable speakers 🔧 Applications Bluetooth speaker systems Portable speakers DIY speaker projects Compact audio enclosures Embedded audio systems Intercom systems Alert and notification devices Educational electronics projects Consumer electronic devices Custom audio projects 🛠️ Installation Connect the speaker to a compatible amplifier with a 4Ω output. Ensure the amplifier's output power is suitable for the speaker's 5W rating. Mount the speaker securely inside the enclosure to reduce unwanted vibration. Observe correct speaker polarity when connecting multiple speakers. 📦 Package Includes 1 × 48mm Square Internal Magnet Speaker Impedance: 4Ω Power: 5W ⚠️ Precautions Do not exceed the 5W rated power for prolonged operation. Use a compatible 4Ω amplifier. Avoid short-circuiting the speaker terminals. Keep away from moisture, excessive heat and physical damage. Ensure proper mounting to minimize vibration and unwanted noise. Actual sound quality depends on the amplifier, enclosure and application.
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.
45mm 1.75-Inch 4Ohms 3W Internal Magnet Speaker with Frame
[Speakers] 45mm Internal Magnet Speaker with Frame – 4Ω 3W 45×23×23mm The 45mm Internal Magnet Speaker with Frame (1.75-Inch) is a compact and efficient audio driver designed for DIY electronics, portable audio devices, multimedia systems, toys, alarms, intercoms, and embedded audio applications. Featuring an internal magnet structure and durable mounting frame, this speaker provides clear and stable sound output while maintaining a compact form factor. With a compact size of 45×23×23mm, 4Ω impedance, and 3W power rating, this speaker is suitable for small amplifier projects and electronic devices where space is limited. Its built-in frame allows convenient installation in custom enclosures, panels, and electronic products. ⭐ Key Features 45mm (1.75-Inch) speaker size 4Ω impedance 3W power rating Internal magnet design Durable mounting frame Compact 45×23×23mm construction Clear and stable sound output Lightweight and space-saving Suitable for low-power audio applications Easy to install in custom enclosures Ideal for DIY, repair and OEM applications 📋 Technical Specifications Product Type: Internal Magnet Speaker Speaker Size: 45mm (1.75 Inch) Dimensions: 45 × 23 × 23mm Impedance: 4Ω Power Rating: 3W Magnet Type: Internal Magnet Frame Type: With Mounting Frame Speaker Type: Dynamic Full Range Speaker Audio Type: Mini Full Range Speaker Mounting: Frame / Panel Mount Application: Compact Audio & Embedded Electronics 🔧 Applications DIY Speaker Projects Portable Audio Devices Bluetooth Speaker Projects Multimedia Speaker Systems Alarm Systems Toys and Sound Modules Intercom Systems Embedded Electronics Educational Electronics Kits Replacement Speaker Repairs Smart Gadgets OEM Product Manufacturing Mini Amplifier Projects 🛠️ Installation Mount the speaker securely inside the required enclosure or panel using its mounting frame. Connect it to a compatible amplifier with an output suitable for 4Ω speakers and a power rating appropriate for the 3W speaker. Proper mounting helps reduce unwanted vibration and improves overall sound performance. 📦 Package Includes 1 × 45mm Internal Magnet Speaker with Frame – 4Ω 3W ⚠️ Precautions Match the 4Ω impedance with the amplifier output. Do not exceed the 3W rated power. Do not apply direct DC voltage to the speaker. Ensure correct wiring polarity during installation. Avoid exposure to moisture and excessive dust. Mount securely to prevent vibration and unwanted noise. Do not apply physical pressure to the speaker cone or diaphragm. Use a compatible audio amplifier module for proper operation.
2 Inch 4 Ohms 5Watt Internal Magnet Speaker with Frame
[Speakers] 2-Inch Internal Magnet Speaker with Frame – 53×29×23mm 4Ω 5W The 2-Inch Internal Magnet Speaker with Frame is a compact and efficient audio driver designed for DIY electronics, portable audio devices, alarms, toys, embedded systems, and other space-constrained applications. Featuring an internal magnet design and durable frame construction, this speaker provides clear and balanced sound output while maintaining a compact footprint. With dimensions of 53×29×23mm, 4Ω impedance, and a 5W power rating, this speaker is suitable for small amplifier projects and electronic devices requiring a compact audio solution. The mounting frame makes installation convenient in custom enclosures and equipment. ⭐ Key Features 2-Inch compact speaker design Internal magnet structure 4Ω impedance 5W power rating Durable metal frame construction Clear and balanced sound output Compact and space-saving design Easy mounting with frame and screw slots Suitable for low and medium-power audio applications Ideal for DIY and OEM applications 📋 Technical Specifications Product Type: Dynamic Internal Magnet Speaker Speaker Size: 2 Inch Dimensions: 53 × 29 × 23mm Impedance: 4Ω Power Rating: 5W Magnet Type: Internal Magnet Magnet Material: Ferrite Shape: Rectangular Frame Type: Metal Frame Cone Material: Paper / Mylar Diaphragm depending on variant Speaker Type: Full Range / Dynamic Speaker Mounting: Frame with Screw Slots Application: Compact Audio & Embedded Electronics 🔧 Applications DIY Speaker Projects Portable Audio Devices Bluetooth Speaker Projects Alarm Systems Toys and Sound Modules Intercom Systems Embedded Electronics Educational Electronics Kits Replacement Speaker Repairs Smart Gadgets OEM Product Manufacturing Mini Amplifier Projects 🛠️ Installation Connect the speaker to a compatible amplifier output matching the speaker's 4Ω impedance and 5W power rating. Secure the speaker firmly using the mounting frame to reduce unwanted vibration and noise during operation. 📦 Package Includes 1 × 2-Inch Internal Magnet Speaker with Frame – 4Ω 5W ⚠️ Precautions Match the 4Ω impedance with the amplifier output. Do not exceed the 5W rated power. Avoid applying direct DC voltage to the speaker. Avoid exposure to moisture and excessive humidity. Mount the speaker securely before operation. Do not apply physical pressure to the speaker cone or diaphragm. Avoid short circuits at the speaker terminals. Keep the speaker away from excessive heat and magnetic interference.
2.25-Inch 8ohms 8W Full Range Speaker for Compact Audio Applications
[Speakers] 2.25-Inch 8Ω 8W Full Range Speaker for Compact Audio Applications The 2.25-Inch 8Ω 8W Full Range Speaker is a compact and efficient audio driver designed for small electronic and embedded sound applications. Featuring an 8Ω impedance and 8W power rating, this speaker delivers clear and balanced sound output while maintaining low power consumption and excellent efficiency. Its compact size makes it ideal for projects where installation space is limited, including portable speakers, DIY electronics, toys, alarm systems, intercom devices, and mini speaker enclosures. The full-range design allows it to reproduce a broad range of audio frequencies, making it suitable for both voice and music playback applications. Built with durable materials and designed for reliable long-term performance, this speaker is an excellent choice for electronics hobbyists, engineers, and product developers working on custom audio projects. ⭐ Key Features 2.25-Inch compact speaker driver 8Ω impedance 8W power rating Full-range audio reproduction Clear and balanced sound output Lightweight and compact design Easy to mount in enclosures and panels Suitable for low to medium-power audio applications Durable construction for long-term use Ideal for DIY and embedded audio systems 📋 Technical Specifications Product Type: Full Range Speaker Speaker Size: 2.25 Inch Impedance: 8Ω Power Rating: 8W Speaker Type: Full Range Mounting Type: Enclosure / Panel Mount Application Type: Audio Output 🔧 Applications Portable Speaker Systems DIY Audio Projects Bluetooth Speaker Modules Toys and Educational Kits Alarm and Notification Systems Embedded Electronic Devices Mini Amplifiers and Sound Modules Intercom Systems Robotics Projects Custom Speaker Enclosures ⚠️ Precautions Do not exceed the 8W rated power. Use an amplifier compatible with an 8Ω speaker load. Avoid exposure to moisture and excessive dust. Mount securely to minimize vibration and distortion. Do not apply direct pressure on the speaker cone. 📦 Package Includes 1 × 2.25-Inch 8Ω 8W Full Range Speaker