Product Details

Features:
1: Adjust the volume of stereo and subwoofer separately
2: Support remote firmware update More high-definition lossless U disk formats:
3: Full-core design · box-to-box function
4: Protection mechanism: over temperature, over current, short circuit, anti-static protection
5: Support Wuzhi Audio APP. Modify the bluetooth name, password setting, volume adjustment of prompt tone, on/off prompt tone, sleep aid, firmware upgrade, etc. Box pairing function, the true wireless function enables two sets of speakers to be combined into left and right channel pair boxes, with a stronger sense of spatial positioning.
 
Model: ZK-LT22

Name: 2.1 channel 15W*2+30W subwoofer adjustment bluetooth audio power amplifier
Power amplifier chip: domestic chip
Bluetooth version: 5.1
Bluetooth transmission distance: 10 meters
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 15W + right channel 15W + subwoofer 30W
Adapter power supply: DC9-24V, ≥3A (can not be connected to AC)
Adapter speakers: left and right channels 10-30W, 4-8Ω; subwoofer 10-30W, 4-8Ω
Volume adjustment: total volume, stereo volume, subwoofer volume are adjusted separately, with a wide range of adjustment;
Master volume with button click: play/pause double click: next song
Triple tap: select or deselect box mode
Protection mechanism: over temperature, over current, short circuit, anti-static protection
Features: Support Wuzhi Audio APP. Modify the bluetooth name, password settings, prompts
Tone volume adjustment, on/off alert tone, sleep aid, firmware upgrade, etc. Box pairing function, the true wireless function enables two sets of speakers to be combined into left and right channel pair boxes, with a stronger sense of spatial positioning.
Product size: 75x70x20mm
Product weight: net weight 77g, including packaging 124g
 
Model: ZK-LT23

Name: 2.1 channel 50W*2+100W subwoofer adjustment bluetooth audio power amplifier
Power amplifier chip: domestic chip
Bluetooth version: 5.1
Bluetooth transmission distance: 10 meters
Audio input: Bluetooth+AUX+U disk+USB sound card
Audio output: left channel 50W + right channel 50W + subwoofer 100W
Adapter power supply: DC9-24V, ≥5A (can not be connected to AC)
Adapter speakers: left and right channels 10-50W, 4-8Ω; subwoofer 20-50w, 4-8Ω
Volume adjustment: total volume, stereo volume, subwoofer volume are adjusted separately, with a wide range of adjustment;
Master volume with button click: play/pause double click: next song
Triple tap: select or deselect box mode
Protection mechanism: over temperature, over current, short circuit, anti-static protection
Features: Support Wuzhi Audio APP. Modify the bluetooth name, password settings, prompts
Tone volume adjustment, on/off alert tone, sleep aid, firmware upgrade, etc. Box pairing function, the true wireless function enables two sets of speakers to be combined into left and right channel pairing boxes, with a stronger sense of spatial positioning.
Product size: 75x70x20mm
Product weight: net weight 78g, including packaging 125g
 
Introduction to box function operation:
1 Turn on two amplifiers of the same model.
2. Select any power amplifier, and press the master volume knob with key function three times. At this time, the red TWS indicator flashes, and the other power amplifier is automatically paired with it as a stereo combination. (If the pairing is not successful within 15 seconds, the pairing mode will be automatically canceled, you can try again by pressing the button three times)
3 If the pairing is successful, the selected one will be assigned as the left channel, the red indicator light is always on, and the other one is the right channel, and the red indicator light flashes slowly.
4 The next time you turn it on, it will automatically find the right box. If you want to cancel the pairing mode, you only need to select an amplifier and press the button three times.

Package Include:
1* 2.1 channel Bluetooth audio power amplifier board module
  • EBAY Managed Payment. But we only Accept your Ebay Address, please Make sure it's 100% right.
  • Payment must be received in 5 business days of auction closing.
  • Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order.
  • Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched.

1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.

  • All package need to wait 30 days(US only need 7-10 days),Please take care it.Less than 30 days,we can't take a refund.
  • If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it.
  • If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.

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