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

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

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 4-8Ω

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 8Ω speaker and power supply of 9-24VDC without overvoltage.

If driving a 4Ω speaker, the power supply cannot exceed 12V.

1 x Digital power amplifier board module