Features:
1. Pure and transparent sound quality
2. Cool volume level indication
3.8-level brightness selection
4.360 degree stepless tuning
5. With cool APP
Bluetooth version: 5.1
Volume adjustment: multi-function knob, 360-degree stepless tuning, with volume level indication.
Click: Play/Pause
Double click: Mode switch (Bluetooth/U disk/AUX)
Press and hold for 1 second: power on/off
Rotation: adjust the volume
Protection mechanism: over temperature, over current, short circuit, anti-static protection
Features: Support Wuzhi Audio APP. Modify the bluetooth name, password settings, prompts
Sound volume adjustment, on/off prompt sound, sleep aid, sound effect selection + custom sound effect, U disk playlist, volume indicator brightness adjustment.
Model: ZK-F502H
Power amplifier chip: TPA3116D2
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 50W + right channel 50W
Adapter power supply: 8-24V, ≥3A (can not be connected to AC)
Adapter speaker: 10-50W, 4-8Ω
Product size approx: 60x60x30mm
Model: ZK-F302
Power amplifier chip: TPA3118
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 30W + right channel 30W
Adapter power supply: 8-24V, ≥3A (can not be connected to AC)
Adapter speaker: 10-50w, 4-8Ω
Product size approx: 60x60x30mm
Model: ZK-F502E
Power amplifier chip: domestic chip
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 50W + right channel 50W
Adapter power supply: 9-24v, ≥3A (can not be connected to AC)
Adapter speaker: 10-50W, 4-8Ω
Product size approx: 60x60x30mm
Model: ZK-F802
Power amplifier chip: domestic chip
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 80W + right channel 80W
Adapter power supply: 9-24V, ≥4A (can not be connected to AC)
Adapter speaker: 20-100W, 4-8Ω
Product size approx: 60x60x32mm
Model: ZK-F152
Bluetooth version: 5.1
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 15W + right channel 15W
Adapter power supply: 9-24V, ≥2A (can not be connected to AC)
Adapter speaker: 5-30w, 4-8Ω
Protection mechanism: over current, short circuit, anti-static protection
Product size approx: 50x50x30mm
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.