• Operating Voltage - 2.5V ~ 5.5V
• Input Voltage (Recommended) - 5V, (Maximum) - 5.5V
• Recommended Input Current - 800 mA

Power: 2.1 interface 8 ~ 24V DC power supply
Audio input: stereo input various versions of the Bluetooth connection,
using CSR8635 Bluetooth chip, Bluetooth V4.0, high software compatibility
Output Impedance: 8 ohms Best(4,6,8,16 ohm
impedance can drive speakers)
Output Power: Add pre-5532 output foot (powered 25V ,6-ohm
impedance output 2 X 50W, 8 ohm
impedance output 2X40W dual-channel)
TDA7492 digital amplifier chip, designed to optimize the circuit layout,
the sound quality is very good, big power
DIP switches can be adjusted directly after the amp gain more respect and better promote greater damping horn

• mono 50W digital amplifier board
• Amplifier chip: TPA3118
• Amplifier Power: 1 * 60W (a channel requires stereo to two)
• Supply voltage: 8 ~ 24VDC channel digital amplifier board 1X60W

 

TPA3116D2 Chip Dual 50W HD Sound Quality 12-24V XH-M564 High Power Digital Micro Amplifier Board HD Amplifier

 XH-M564 high power micro digital power amplifier board
Chip: TPA3116D2 chip
Power: dual 50W
high definition sound
Power supply:12-24V

• TPA3116D2 HIFI Chip Solution: Stereo Dual-channel Output to Ensure Continuous Serial High-power Operation, THD ≤0.1%. Wide Voltage Input DC: 12-24V;
• Treble & Bass Control: If You Are Tired of The Inherent High& Low Bass, Why Not Try The High & Low Control Knob! This Will Make You Feel Like Being In A Movie Theater.???
• Bluetooth and AUX Function: Bluetooth 5.0 version, Transmission Distance Is Farther. The Transmission Distance Can Reach 49 Feet In An Open Environment. If your Play Device Does Not Have Bluetooth, You Can Also Input Audio Signals Through The 3.5MM Headphone Plug.???
• Safety Protection: This Amp Board Has Overheat Protection, Reverse protection, Circuit Protection, Over-voltage and Under-voltage Protection
• 7 * 24 Hours After-sales Service: Paying Attention To Customer Experience And Satisfying Customers Is Our Service Tenet. If You Have Any Questions About The Product, or The Product Has Quality Problems, Please Contact Us At Any Time, We Will Give You A 100% Satisfactory Answer.

• Dual-channel 120w + 120w digital amplifier board audio stereo receiver module, with patch inductance helps to filter noise, picking the signal, stabilizing current and suppressing interference
• Amplifier board digital ampliy chip
• Highly efficient
• 120W+120W Stereo Amplifier, Audio Receiver for Home Theater Speaker DIY DC 12-24V Powered

Package: Yes, Type: Home Amplifier, Model Number: Mini Dual 12, Unit Type: piece, Package Weight: 0.200kg (0.44lb.), Package Size: 10cm x 8cm x 8cm (3.94in x 3.15in x 3.15in)

Super voltage: Recommendation DC24V(Ceiling 30V)

Output impedance: 2-8

Output power:420W

Size: 82*72*37mm

Net Weight:120g

Vocal tract number:Mono

This product is a built-in TDA8954TH chip with the power of 420W Mono channel digital power amplifier board

• Power-on delay output protection (need to use the amplifier board comes with the switch), no impact, to protect the expensive speaker unit.
• Output power, distortion is small, high degree of sound reduction. No noise, interference current sound.
• A variety of audio input, the standard 3.5MM audio cable input socket, or from the 3P socket input audio to meet the different modules connected.
• Frequency response: 20Hz-20KHz (± 3dB) / left and right channels
• Support to connect MP3 decoding module, comes with power supply output