Product Code: E4712-1
Availability: In Stock
Ex Tax: $33.39
Easy to use and install, has a long service life. It needs DIY and can improve your hands-on ability.

Power delay output protection, no impact on the sound, protecting expensive speaker.
Large output power, low distortion and high sound reproduction. No noise disturbs the current sound.
Support DC 24V single power supply, or 18V AC power supply (requires additional rectification and filtering circuit), dual power supply mode.
A variety of audio input methods, onboard BT receiver module, or input audio from 3P socket, can meet the connection of different modules.
Support super bass cutoff frequency adjustment (cutoff range is 180Hz-250Hz).
Designed of anti-reverse circuit to avoid damage to the power amplifier board due to improper use or reverse polarity of power supply.
Made of fine quality materials, has a long service life.

Main material: PCB
PCB color: green
Type: with case, without case (optional)
Operating voltage: 22-26V DC (Recommended DC24V 5-10A)
Output impedance: 
Subwoofer: 2-8Ω
Left and right channels: 4-8Ω
Output power: 
Subwoofer: 100W (24V/3Ω)
Left and right channels: 50W (24V/4Ω)
Input impedance: 20KΩ
Signal input: 800-1500mV P-P
Frequency response: 20Hz-20KHz (±3dB), 20-250Hz (subwoofer)
Distortion degree: 
Subwoofer: <10%
Left and right channels: <1%
Item size:
With case: 115 * 106 * 49mm / 4.5 * 4.2 * 1.9in  
Without case: 100 * 92mm / 3.9 * 3.6in 
Item weight:
With case: 295g / 10.4ounce
Without case: 138g / 4.9ounce
Package size: 
With case: 145 * 125 * 60mm / 5.7 * 4.9 * 2.4in
Without case: 130 * 110 * 40mm / 5.1 * 4.3 * 1.6in
Package weight:
With case: 304g / 10.7ounce
Without case: 140g / 4.9ounce

Package list:
1 * BT 4.2 Power Amplifier Board

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