| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $17.53 | $17.17 | $16.64 | $15.92 | Contact US |
Willsenton R8 KT88 45W+45W Vacuum Tube Integrated Amplifier Push-pull Power Amplifier (Black)
$1,621.96
Willsenton R8 KT88 45W+45W Vacuum Tube Integrated Amplifier Push-pull Power Amplifier (Silver)
$1,621.96
Willsenton R-800i Single Ended Class A Amplifier Vacuum Tube Integrated Amplifier 50W+50W 300B + 805
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ZK-R21E Subwoofer Amplifier Bluetooth Amp Board 2.1 Channel Amplifier with Cool Volume Indicator
Download Wuzhi Audio APP:
http://www.qingdaowuzhi.cn/btapp/Wuzhi_Audio_V1.0.2.apk
User Manual of ZK-R21E:
http://www.qingdaowuzhi.cn/ins/r21e/r21eins.pdf
Specifications:
- Model: ZK-R21E
- Name: 2.1 channel 50W+50W+100W subwoofer stereo bluetooth audio power amplifier
- Power amplifier chip: Chinese 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 the knob: play/pause. Double-click the knob: mode switch (Bluetooth/U disk/AUX). Press and hold the knob for 1 second: power on/off. Rotate the knob: adjust the volume
- Protection mechanism: over-temperature, over-current, short-circuit, and anti-static protection
- Features: Support Wuzhi Audio APP. Modify bluetooth name, password setting, volume adjustment of prompt sound, power 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
Package Included:
- 1 x Set of Amplifier
Note:
- You need to assemble the shell by yourself.
