ZK-TB21 Amplifier Board
Warm Reminder:
- The power switch on the board is a standby switch. After the switch is turned off, the machine is in a low-power standby state.
- To completely turn off the power or unplug it for a long time, you can unplug the DC plug on the machine.
- Properly increasing the voltage or reducing the speaker impedance can effectively increase the output power.
Package Included:
- 1 * ZK-TB21 Amplifier Board
- 1 set Protective Shell
- 5 * Knob
- 1 * Screwdriver
- 1* DC Adapter
50W+50W+100W Power Amplifier Board Specifications
 50W+50W+100W Power Amplifier |  100W+100W Power Amplifier |  200W Stereo Amplifier |  400W Stereo Amplifier |  4 Channel Stereo Amplifier | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — | — | — | — |
| Max Power Output | 50W+50W+100W | 100W+100W | 200W+200W | 300W+300W | 300W+300W+300W+300W |
| Input Mode | BT/AUX | BT/AUX | BT/SD/USB/RCA | BT/SD/USB/RCA | BT/SD/USB/RCA |
| Terminating Impedance | 4-8 O | 4-8 O | 4-16 O | 4-16 O | 4-8 O |
| Channel Type | 2.1 Chanel AMP | 2.0 Chanel AMP | 2.0 Chanel AMP | 2.0 Chanel AMP | 4.0 Chanel AMP |
| Work Voltage | DC 12V-24V | DC 9V-24V | AC 110V-240V | AC 90V-240V | AC 100V-240V |
| Treble and Bass Control | ? | ? | ? | ? | ? |
| Chip | Dual TPA3116D2 | TPA3116D2 | no data | no data | no data |
Bluetooth Audio Amplifier
JIAATGA ELECTRONICS DIVISION:
We hope to let more people experience audio equipment with good value for money, so that our customers can enjoy music and life!
At the same time, we are constantly developing new products, more people to bring more cost-effective audio equipment, and provide better solutions for your home audio/video system.
S288 Home Audio Amplifier
4 Channel
AK45 Audio Bluetooth Amplifier
300W+300W
ZK-1002T Amplifier Board
100W+100W
ZK-TB21 Amplifier Board
50W+50W+100W
ZK-TB21 Amplifier Board
Warm Reminder:
- The power switch on the board is a standby switch. After the switch is turned off, the machine is in a low-power standby state.
- To completely turn off the power or unplug it for a long time, you can unplug the DC plug on the machine.
- Properly increasing the voltage or reducing the speaker impedance can effectively increase the output power.
Package Included:
- 1 * ZK-TB21 Amplifier Board
- 1 set Protective Shell
- 5 * Knob
- 1 * Screwdriver
- 1* DC Adapter
50W+50W+100W Power Amplifier Board Specifications
| Input Voltage: | DC 12V-24V |
| Max Power Output: | 50W*2(R&L)+100W(Subwoofer) |
| Input Method: | Bluetooth & 3.5mm AUX |
| Channel: | 2.1 CH Stereo Output |
| Bluetooth Version: | Bluetooth 5.0 |
| Chip: | Dual TPA3116D2 |
| Bluetooth Distance: | 50 Ft |
| Terminating Impedance: | 4 - 8 ? |
| Match Speaker: | 50 - 300W |
| Work Humidity: | 0%~95%RH |
50W+50W+100W Power Amplifier | 100W+100W Power Amplifier | 200W Stereo Amplifier | 400W Stereo Amplifier | 4 Channel Stereo Amplifier | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — | — | — | — |
| Max Power Output | 50W+50W+100W | 100W+100W | 200W+200W | 300W+300W | 300W+300W+300W+300W |
| Input Mode | BT/AUX | BT/AUX | BT/SD/USB/RCA | BT/SD/USB/RCA | BT/SD/USB/RCA |
| Terminating Impedance | 4-8 O | 4-8 O | 4-16 O | 4-16 O | 4-8 O |
| Channel Type | 2.1 Chanel AMP | 2.0 Chanel AMP | 2.0 Chanel AMP | 2.0 Chanel AMP | 4.0 Chanel AMP |
| Work Voltage | DC 12V-24V | DC 9V-24V | AC 110V-240V | AC 90V-240V | AC 100V-240V |
| Treble and Bass Control | ? | ? | ? | ? | ? |
| Chip | Dual TPA3116D2 | TPA3116D2 | no data | no data | no data |
Bluetooth Audio Amplifier
JIAATGA ELECTRONICS DIVISION:
We hope to let more people experience audio equipment with good value for money, so that our customers can enjoy music and life!
At the same time, we are constantly developing new products, more people to bring more cost-effective audio equipment, and provide better solutions for your home audio/video system.
S288 Home Audio Amplifier
4 Channel
AK45 Audio Bluetooth Amplifier
300W+300W
ZK-1002T Amplifier Board
100W+100W
ZK-TB21 Amplifier Board
50W+50W+100W