ZK-LT21 Bluetooth Audio Digital Power Amplifier Board Module 2.1 Channel 15W+15W+30W with Subwoofer

ZK-LT21 Bluetooth Audio Digital Power Amplifier Board Module 2.1 Channel 15W+15W+30W with Subwoofer
Features:
1. Wide range of applications
2. APP has a timer shutdown function
3. Supports custom 10-segment sound effects to be adjusted arbitrarily to make up for the deficiencies, so that different speakers can achieve better sound effects.
4. The mechanical switch can be turned off with one turn, no need to wait for a long time, which is convenient and fast.
5. Support Wuzhi Audio APP. Modify and change for Bluetooth name, password setting, volume adjustment of prompt sound, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist
Parameter:
Model:ZK-LT21
Name:2.1, 15WX2+30W Bluetooth audio power amplifier with subwoofer
Adapter power supply:9-24V/3A (can not be connected to AC)
Bluetooth version:5.1
Audio input:BT+AUX+USB+USB sound card
Audio output:left channel 15W + right channel 15W + subwoofer 30W
Volume adjustment:classic mechanical knob (with volume scale), stepless adjustment
Switch machine:classic mechanical switch, one turn switch machine, no need to wait for a long time.
Adapter speaker:10-50W 4-8??
Protection mechanism:overheating, overcurrent, short circuit, anti-static protection
Product weight:net weight 66g, including packaging 102g
Special feature
Support Wuzhi Audio APP. Modify and change the bluetooth name, password setting, volume adjustment of prompt sound, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist.
Dimensions:76*60*22mm
Note:It is recommended to use an 8?? speaker and power supply of 9-24VDC without overvoltage.
If driving a 4?? speaker, the power supply cannot exceed 12V.
Package includes:
1 x Digital power amplifier board module

Additional information