YS-AS21, High-Power Subwoofer 2.1 Channel Bluetooth Amplifier Board 220Wx2+350W Super Powerful 3251 IC Audio Amplifier Board

Excellent quality: high quality material, safe and durable.
Stable performance: with better noise performance, excellent output drive capability and relatively high small signal bandwidth, large power supply voltage range.
High fidelity: When used as an audio amplifier, the tone is warm and the fidelity is high.
Wide range of uses: suitable for high quality and professional audio equipment, instruments, control circuits and telephone channel amplifiers.
It has the characteristics of small size, high efficiency, high power and small heat.

Product name: 2.1 channel bluetooth audio amplifier board
Product Model: YS-AS21
Bluetooth version: 5.1
Frequency range: 20Hz-20KHz
Signal to noise ratio: 92dB
Power supply: above DC18-38V/10A
Audio channel: 2.1 channel
Audio output: left and right channels + subwoofer
Audio input: Bluetooth+AUX+U disk+USB sound card
Output power: 220W*2(left and right channels)+350W(subwoofer)
Left and right channel maximum output power: 220W/3Ω2–36VDC ; 175W/42–36VDC ; 100W/8Ω2–36VDC
Subwoofer maximum output power: 355W/2Ω–36VDC ; 250W/3Ω–36VDC ; 195W/4Ω–36VDC
Subwoofer (subwoofer) Adapter speaker: 20W-200W /2Ω-8Ω
Volume adjustment: high-end encoder knob adjustment, smooth feel

Weight	1 kg
Dimensions	12 × 05 × 12 cm

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