1.Parameter characteristicsPower Supply 3.7-5VSNR 90dBTHD+N -70dBCrosstalk -86dBDNR 91dBSupport Profile A2DP/AVCTP/AVDTP/AVRCP/HFPLOS >15m2.Interface detailsUSB powered Universal Micro USB 5V power..

Product model: XH-A232Amplifier type: Class DInput voltage: DC8-26VInput current: 3A or moreNumber of channels: two channels  Peak power: 30W + 30WOutput impedance: 4-8Q S / N ratio: 10..

XH-A233 15W X 2 Bluetooth 4.2 Digital power amplifier board Stereo TF Card Play 12v~24v Audio AmpProduct Name: TF / Bluetooth Digital AmplifierProduct model: XH-A233Input voltage: DC12-24VAudio input:..

Features:Can use the computer USB port 5V power supplyor using a mobile phone charger USB port 5V power supplybattery power can also be usedhigh efficiency:90%can provide 3W (left channel) +3 W (right..

3.3V @ 11mA76-108MHz supported100mV audio outputStereo output..

USB: Connect USB flash drive (maximum support 32GB, not included)LED color screen: digital screen display, showing redInfrared receiving moduleTF: Connect TF memory card (maximum support 32GB, not inc..

Features&Benefits:*Superior sound quality.Onboard 2Wmonoamplifier(5V power of up to 3W) is directlyconnected to the speaker(recommendation 4Ω3Wspeakers),3.5mm gold plated headphone jackcan connect..

A perfect Bluetooth audio receiver board for use. Built-in 3.5mm audio jack for audio output. Bluetooth 2.1 receive, can connect with the earphone and can also be used for power amplifier.&n..

Bluetooth stereo audio receiver circuit board is ultra-small size, easy to embed modified products.two-channel stereo output,compatible with most of the market power amplifier ,home audio and video,ca..

DFPlayer Mini is a compact and inexpensive MP3 module can be connected directly to the speaker. Module with battery power supply, speaker, keypad can be used alone, or through the serial port control,..

Description :VCC: voltage range 4.2V to 5V, in particular, can not exceed 5V power supplyGND: PowerL: Left channel outputR: Right channel outputMUTE: high level when muted, normally lowKC: Empty PinTh..

Parameters:Bluetooth version: Bluetooth v4.2Bluetooth protocol support: hfpv1.7, adpv1.2, avrcpv1.5, avctpv1.2, avdtpv1.2, low energyWorking voltage: DC 3.3-4.2 VNot connected to power supply: 3.5 mlA..

1, on-board decoding chip MT8870 complex frequency2, onboard five LED indicators for easy viewing output state3, the main chip pins basically have been drawn4, on-board voice input interface5, PCB siz..

Parameters:Power supply: direct current (DC) : 3.6V-5.5VOutput power: 3W+ 3W (4 o)Signal to noise ratio: 90dBEfficiency: > 90%Size: 15.5 * 24mm positioning hole size: spacing of 20 mm diameter: 2 m..

Working mode: Class D (PWM modulation type)Chip type: PAM8610Power Range: DC 6V-15V (self-protection)Recommended voltage: DC 12V(2A)Output Power: 10W x 2(8Ω) 15Wx2(4Ω)Frequency Response:  20HZ-15..

TDA2030 Audio Amplifier Board Module TDA2030A 6-12V SingleDescription:TDA2030A audio amplifier circuit, often using V-5-pin single in-line plastic package structure. The integrated circuit is widely u..

Working voltage: 6 to 18 vThe board size: 45 (mm) x33 (mm)The onboard TDA7297 audio power amplifier chip, double channel 15W+15W, speaker for European 4-8 10-50W usemain pin has led chips, convenient ..

TDA7492 CSR8635 V4.0 Bluetooth Receiver Digital Amplifier Audio Board 2X50W Amplifiers with Earphones InterfaceDescription:100% Brand New and High Quality!Power Supply: 2.1 interface 8~24V DCOutput Im..

100%Brand New and High Quality TDA7498 is a 100 w + 100 w class D audio amplifier.The IC chip adopts the single power supply, mainly used in home theater and active speakers.And naked cooling pad..

Features:Working Voltage: 3.7V Lithium Battery 600MA or 5V USB Power SupplyChip:GPD2846AChip Footprint:SOP16PCB Size:34.23MM*22.33MM*1MMwith 2W Mixed monoWith Power supply ,it can play AutomaticlyWith..