Model: 2.1 Class D audio amplifier. 

Supply voltage: DC12V-24V, (PSU not included, see aditional listings)

Color: Black.

Output power: left and right 50w+50w. Sub 100W (@4 Ohm using 24V power supply)

Impedance: 4-8Ohm

Frequency response: 20-20KHz

Size: 123*132*32mm

Weight: 568g

Description:

1. Support two input methods.

a) AUX input, connect wired analog (RCA) signal input.

b) Bluetooth wireless input to connect with mobile phone, computer and other Bluetooth devices.

2. Support frequency adjustment of the subwoofer to adjust the bass frequency according to your needs.

3. Support the bass and treble frequency adjustment of the left and right speakers.

The left and right speakers can also be used when the subwoofer is not connected

4. Two pieces of TPA3116D2 , one for the left and right channel output, one for the subwoofer output.

5. Capacitors all use Japan NICHICON 6800uF large reservoir, ELNA audio coupling, black diamond filter RIFA EVOX filter.

6. No switch sound.

7. Large heat sink for long-term high-power use.

8. Power supply voltage: DC12V-24V, voltage socket 5.5*2.5, external negative internal positive (recommended DC24V4A) Not Included.

9. Output impedance 4-8 Ohm

10. Output power left and right channel 50W+50W, subwoofer 100W. 2.1 channel.

11. Frequency response: 20-20KHz

12. Length x width x height (124 x 130 x 33mm); weight about 570g

13. The function of the knob from right to left is:

total volume adjustment,

left and right channel treble adjustment,

left and right channel bass adjustment,

subwoofer volume adjustment,

subwoofer frequency adjustment.