1. On-board antenna, open transmission distance of about 50 meters, without external antenna. If installed into the metal shell to avoid signal shielding, you can buy your own external antenna installation, reserved IPEX antenna s…

1. On-board antenna, open transmission distance of about 50 meters, without external antenna. If installed into the metal shell to avoid signal shielding, you can buy your own external antenna installation, reserved IPEX antenna s…

1. Amplifier output can only be connected to independent speakers or passive speakers2. The product does not include a power supply, you need to provide their own power supply DC9-24V, pay attention to the quality of the power sup…

1. Amplifier output can only be connected to independent speakers or passive speakers2. The product does not include a power supply, you need to provide their own power supply DC9-24V, pay attention to the quality of the power sup…

1. Power supply range: 5V DC2. Operating voltage: 2.5V-5.5V 3. Output Power: 3W x 2 (5V 4)4. PAM8403 is a small digital amplifier chip, high-definition sound quality highlights the advantages of digital chips5. Circuit using a rea…

1. Power supply range: 5V DC2. Operating voltage: 2.5V-5.5V 3. Output Power: 3W x 2 (5V 4)4. PAM8403 is a small digital amplifier chip, high-definition sound quality highlights the advantages of digital chips5. Circuit using a rea…

1. 3.7-5VDC wide voltage power supply2. 9-channel one-to-one triggering interface, triggering 9 tracks (MAX)3. Low level signal trigger (S1...S9 and GND short contact trigger)4. Supports MP3 and WAV decoding formats, and supports …

1. Bluetooth version: 5.02. Operating voltage: DC8-24V3. Transmission distance: 15 meters (visible and unobstructed)4. Number of channels: dual-channel (stereo)5. Adaptable speaker power (30W-150): 4 ohms (8-12V power supply), 8 o…

1. Bluetooth version: 5.02. Operating voltage: DC8-24V3. Transmission distance: 15 meters (visible and unobstructed)4. Number of channels: dual-channel (stereo)5. Adaptable speaker power (30W-150): 4 ohms (8-12V power supply), 8 o…

1. Power supply range: 3.7-5.5V2. Exquisite double-layer board design, large area of copper, stable and reliable3. Anti-static bag packaging, to avoid static electricity damage to the product on the way to the shipment4. Weight: a…

1. Power supply range: 3.7-5.5V2. Exquisite double-layer board design, large area of copper, stable and reliable3. Anti-static bag packaging, to avoid static electricity damage to the product on the way to the shipment4. Weight: a…

1. Silent fan: reduce the overall temperature of the module, for the power supply, amplifier chip, filter capacitors and other heat dissipation, reduce the temperature rise and the impact of temperature rise on the sound quality, …

1. Stereo audio, wide frequency response, high efficiency, low distortion and low noise, good sound effect2. There is a volume adjuster, easy to adjust the sound3. With power reverse connection protection, short circuit protection…

1. Audio input: Bluetooth + AUX + U disk + computer USB sound card (plug and play)2. Adapter power supply: DC 9-24V (high voltage is recommended for high power)3. Output power: 50Wx24. Adapted speaker: 10-100W, 4/8 ohm5. Number of…

1. All copper plug, the contact point is not easy to heat2. The grid terminal is convenient for wiring, and the adjacent wires are not easy to be short-circuited3. Chip: TPA3116D2 (with AM interference function)4. Filter: LC filte…

1. Bluetooth version: 5.0 (unobstructed, 15 meters)2. Input sensitivity: 500mV3. Input mode: AUX+Bluetooth4. Number of sound channels: 2.1 channels5. Adaptable speaker: 20-100W, 4-8 ohms6. Protection mechanism: anti-reverse connec…

1. Bluetooth version: 5.0 (unobstructed, 15 meters)2. Signal-to-noise ratio: greater than 90dB3. Input mode: AUX+Bluetooth4. Number of channels: left and right dual-channel (stereo)5. Adaptable speaker: 15-100W, 4-8 ohms6. Protect…

1. Product name: TPA6120 headphone amplifier board2. Chip type: TPA6120A23. Input voltage: Dual DC / AC 12-24V(recommend dual DC / AC 2V 30W)4. Output impedance: 8-600 Ohm5. Protection function: Short circuit protection, over temp…

1. Brand new and high quality 2. The male ends meant for insertion into standard female sockets and the female ends are meant for insertion onto standard male headers 3. The cables can be separated to form an assembly containing t…

1. Power supply: DC dual power supply 58 70v2. Rated output power: 500w ( 65v power supply, 4 ohm load, 10% deformation)3. Efficiency: greater than 90%4. S / N ratio: 90db5. Total harmonic distortion:380w (+/- 65 power 4 ohm spe…