Description
ZK-R302:
Product selling point:
1: High-end audio experience
2: Protection mechanism: over temperature, over current, short circuit, anti-static protection
3: 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.
4: Power amplifier chip: TPA3118
5: Multi-function knob, 360-degree stepless tuning, with volume level indication.
Parameter:
Model: ZK-R302
Name: 2.0 channel 30WX2 stereo with high and low bass adjustment Bluetooth audio power amplifier
Power amplifier chip: TPA3118
Bluetooth version: 5.1
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 30W + right channel 30W
Adapter power supply: DC9-24V, ≥3A (can not be connected to AC)
Adapter speaker: 10-50W, 4-8Ω
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: turn 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.
Product size: 81x81x34mm
Product weight: net weight 77g, including packaging 126g
Package Included:
1* ZK-R302 cool volume indicator bluetooth audio power amplifier board module
ZK-R502H:
Product selling point:
1: With treble and bass adjustment
2: High-end audio experience
3: Cool indicator light
4: Protection mechanism: over temperature, over current, short circuit, anti-static protection
5: 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.
Parameter:
Model: ZK-R502H
Name: 2.0 channel 50WX2 stereo with high and low bass adjustment Bluetooth audio power amplifier
Power amplifier chip: TPA3116D2
Bluetooth version: 5.1
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 50W + right channel 50W
Adapter power supply: DC9-24V, ≥3A (can not be connected to AC)
Adapter speaker: 10-50W, 4-8Ω
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: turn on/off
Rotate: 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.
Product size: 81x81x34mm
Product weight: net weight 81g, including packaging 130g
Package Included:
1* ZK-R502H cool volume indicator bluetooth audio power amplifier board module TPA3116 high and low bass adjustment 50WX2
ZK-R502E:
Product selling point:
1: Bluetooth audio amplifier with high and low bass adjustment
2: HD sound quality
3: Cool indicator light
4: High-end audio experience
5: 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.
Parameter:
Model: ZK-R502E
Name: 2.0 channel 50WX2 stereo with high and low bass adjustment Bluetooth audio power amplifier
Power amplifier chip: domestic chip
Bluetooth version: 5.1
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 50W + right channel 50W
Adapter power supply: DC9-24V, ≥3A (can not be connected to AC)
Adapter speaker: 10-50W, 4-8Ω
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: turn on/off
Rotate: 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.
Product size: 81x81x34mm
Product weight: net weight 78g, including packaging 127g
Package Included:
1* ZK-R502E cool volume indicator bluetooth audio power amplifier board module
ZK-R21H:
Product selling point:
1: 2.1 channel bluetooth audio amplifier
2: 50W+50W+100W subwoofer
3: High-end audio experience
4: Power amplifier chip: TPA3116D2
5: 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.
Parameter:
Model: ZK-R21H
Name: 2.1 channel 50W+50W+100W subwoofer stereo bluetooth audio power amplifier
Power amplifier chip: TPA3116D2
Bluetooth version: 5.1
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 50W + right channel 50W + subwoofer 100W
Adapter power supply: DC9-24V, ≥7A (can not be connected to AC)
Adapter speakers: left and right channels 15-50W, 4-8Ω; subwoofer 30-100W, 4-8Ω 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: turn on/off
Rotate: 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.
Product size: 81x81x37mm
Product weight: net weight 106g, including packaging 150g
Package Included:
1* ZK-R21H cool volume indicator Bluetooth power amplifier board module 2.1 channel subwoofer TPA3116 50WX2+100W
ZK-R21E:
Product selling point:
1: 2.1 channel bluetooth audio amplifier
2: 50W+50W+100W subwoofer
3: Protection mechanism: over temperature, over current, short circuit, anti-static protection
4: 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.
5: Cool indicator with high-definition sound quality
Parameter:
Model: ZK-R21E
Name: 2.1 channel 50W+50W+100W subwoofer stereo bluetooth audio power amplifier
Power amplifier chip: domestic chip
Bluetooth version: 5.1
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 50W + right channel 50W + subwoofer 100W
Adapter power supply: DC9-24V, ≥7A (can not be connected to AC)
Adapter speakers: left and right channels 15-50W, 4-8Ω; subwoofer 30-100W, 4-8Ω
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: turn on/off
Rotate: 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.
Product size: 81x81x37mm
Product weight: net weight 85g, including packaging 129g
Package Included:
1* ZK-R21E cool volume indicator Bluetooth audio power amplifier board module 2.1 channel subwoofer 50WX2+100W
Specification
Art : der Regulierungssteller
Betriebstemperatur : Power Amplifier Board
Ableitungs-Energie : 30W*2
Versorgungsmaterial-Spannung : Bluetooth Audio Power Amplifier Board
ZK-R21E:
Product selling point:
1: 2.1 channel bluetooth audio amplifier
2: 50W+50W+100W subwoofer
3: Protection mechanism: over temperature, over current, short circuit, anti-static protection
4: 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.
5: Cool indicator with high-definition sound quality
Parameter:
Model: ZK-R21E
Name: 2.1 channel 50W+50W+100W subwoofer stereo bluetooth audio power amplifier
Power amplifier chip: domestic chip
Bluetooth version: 5.1
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 50W + right channel 50W + subwoofer 100W
Adapter power supply: DC9-24V, ≥7A (can not be connected to AC)
Adapter speakers: left and right channels 15-50W, 4-8Ω; subwoofer 30-100W, 4-8Ω
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: turn on/off
Rotate: 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.
Product size: 81x81x37mm
Product weight: net weight 85g, including packaging 129g
Package Included:
1* ZK-R21E cool volume indicator Bluetooth audio power amplifier board module 2.1 channel subwoofer 50WX2+100W
