Description:

• ZK-TB22 is a DC 12V 24V 50W+50W+100W TWS Bluetooth 2.1 Amplifier Audio Module with Stereo Treble Bass Subwoofer, perfect for DIY wireless Bluetooth speakers and transponders. This module can receive Bluetooth music, as well as AUX audio input. It also features a unique TWS technology that allows you to combine two amplifiers into dual stereo dual channels for wireless pairing connection.

• This Bluetooth amplifier module is ideal for those who want to add a surround sound experience to their home theater, KTV, outdoor parties, and more. With its powerful 100W output and adjustable volume control, you can customize the sound according to your preference. It is also easy to install and use, allowing you to enjoy an immersive sound experience with minimal effort.

Features:

• TWS Bluetooth Pairing: It is equipped with TWS technology that allowing you to combine two amplifiers into dual stereo dual channels for wireless pairing connection. Enter/exit TWS by press potentiometer three times.

• Treble/Bass/Subwoofer: It adopts the Bluetooth version 2.1 specification which can drive 50W*2 Stereo and 100W Subwoofer with aluminum heat sink. Supports independent volume adjustment for treble/bass/subwoofer.Users can manually connect S1/S2 pads, making the bass sound more heavy.

• Bluetooth-comptiable/AUX Audio: It can not only receive music via Bluetooth, but also via AUX to fit different needs.

• Bluetooth-comptiable APP Control: It can not only be used as an ordinary Bluetooth receiver, but also use the special Bluetooth APP ‘WuZhi Audio’ to Modify Bluetooth Name, ON/OFF Bluetooth Password, Modify Bluetooth Password, ON/OFF Prompt Voice, Adjust Volume for Prompt Voice.

• Protection Function: It has multiple protection mechanisms to ensure its safe operation with Over-current protection, short-circuit protection, overheating protection. Recommended to use more than 5A current to get more clear, bright and high fidelity sound.

• Application: Perfect for home theaters, KTVs, outdoor parties, and more, this Bluetooth amplifier will improve sound quality and provide a surround sound experience. It is easy to install and use, allowing you to experience an immersive sound with minimal effort.

• Easy to use: It is equipped with an adjustable volume control, allowing users to customize the sound according to their preference. Furthermore, it also provides functions such as switching to the next music, playing/pausing music, and turning on/off the power.

Functions:

• APP Control
• Bluetooth-Compatibal/AUX Audio Input
• 50W+50W Dual Channel Stereo; 100W Subwoofer
• ON/OFF Prompt Voice
• Adjust Volume for Prompt Voice

Parameters:

• Work Voltage: DC 12V-24V
• Work Current: >7A
• Bluetooth-Compatibale BLE 5.1
• .Controller IC: TPA3116D2
• Unique function: WuZhi Audio APP control
• Channel: 2.1 channel stereo output
• Audio input type: Bluetooth/AUX
• Audio output type: Left/Right/Subwoofer
• Stereo Speaker Output: 20W-50W, 4ohm-8ohm
• Subwoofer Speaker Output: 20W-100W, 4ohm-8ohm
• Communication distance: 10meter(Max)
• Over temperature protection: Yes
• Over current protection: Yes
• Short circuit protection: Yes
• Work Temperature: -20℃~85℃
• Work Humidity: 5%~95%RH
• Module Size(Installed): 121x100x32mm

Note:

• The heat sink and shell must be installed by the user.
• The power amplifier board should be placed as far away from the WIFI signal (router) as possible to avoid signal interference.
• The power supply voltage should be DC 12V-24V with more than 7A current. The module will be damaged if the input voltage is above 25V.
• It is recommended to use a working power supply of more than 15V.
• Avoid signal interference by not using excessively long wires.
• The audio input and power supply voltage/current must both be sufficient to ensure enough power output.
• The higher the power supply voltage, the greater the output power.
• The smaller the impedance of the speaker, the greater the output power. It is recommended to use 4ohm speakers.
• Please read the user manual and product description carefully before use.

Package:

• 1pcs ZK-TB22 50W*2+100W TWS 2.1 Bluetooth-Compatiabe Amplifier Module
• 2pcs Aluminium Alloy Shell
• 5pcs 6mm knob cap
• 1pcs ‘+’ Screwdriver
• 4pcs M2*20mm Copper column
• 4pcs M2*4+3mm Copper column Screw
• 8pcs M2*3mm screw