Product Overview
Item Type: Power Amplifier Board
Product Model: ZK-TB21
for Bluetooth Version: 5.0 (Unobstructed: Approx. 10meter / 32.8ft)
Input Sensitivity: 500mV
Input Method: AUX+ for Bluetooth
Number of Channels: 2.1 channels
Power Amplifier Chip: TPA3116D2 (with AM interference suppression function)
Adapted Speakers: 20-100W, 4-8Ω
Output Power: Left and right channels <50W
Subwoofer <100W
Protection Mechanism: Overvoltage, undervoltage, overheating, DC detection, short circuit protection
Product Model: ZK-TB21
for Bluetooth Version: 5.0 (Unobstructed: Approx. 10meter / 32.8ft)
Input Sensitivity: 500mV
Input Method: AUX+ for Bluetooth
Number of Channels: 2.1 channels
Power Amplifier Chip: TPA3116D2 (with AM interference suppression function)
Adapted Speakers: 20-100W, 4-8Ω
Output Power: Left and right channels <50W
Subwoofer <100W
Protection Mechanism: Overvoltage, undervoltage, overheating, DC detection, short circuit protection
Features
1、With AUX + for Bluetooth audio input, subwoofer + left and right channel output
2、The power amplifier chip has AM interference suppression function
3、The protection mechanism includes overvoltage, undervoltage, overheating, DC detection, and short circuit protection, which is relatively safe
4、Using high‑quality materials, strong and durable, has a long service life
5、With small size, easy to carry and store, convenient to use and with good performance
Package List
1 x Power Amplifier Chip
2 x Power Amplifier Board Module
1 x Screw Accessories Pack
1 x Screwdriver Accessories Pack
Package Weight and Dimension
| Weight | 0.66 lb |
| Width | 4.68 Inch |
| Height | 1.95 Inch |
| Length | 5.46 Inch |
