| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $94.94 | $93.00 | $90.10 | $86.22 | Contact US |
ZK-DAM H1 Microphone Preamplifier Board Mic Preamp Board with Bluetooth & Decoding for USB Drive
$19.37
ZK-DAM H1 Microphone Preamplifier Board Mic Preamp with Shell Bluetooth & Decoding for USB Drive
$19.63
M5Stack ATOM Echo Programmable Smart Speaker RGB LED Display Built-in ESP32 Bluetooth WiFi IoT for Arduino
$24.50
Heareal-Z4 Audiophile Amplifier Speaker Switcher Selector 1 IN 2 OUT Suitable for Passive Speakers
Features:
- Using mechanical switches
- Audiophile-grade full lossless power amplifier speaker switcher
- For one power amp to two pairs of passive speakers or for two amplifiers to one pair of passive speakers
- Independent isolation between signal conduction and control circuit, not interfere with audio signal when switching
- Switch between amplifiers and speakers that can withstand up to 3000W
- Premium components. Bipolar independent, protecting amplifiers and speakers when switched simultaneously. Each channel adopts 2pcs 30A super-power fully enclosed relays, which is safer to use
- Made from quality materials, its power adapter for Delta with long service life
- All the products have passed strict tests before delivery
Specifications:
- Input voltage: DC12V
- Input/Output Impedance: 4-8Ω
- Speaker load power: <3000W
- Maximum current: 30A
- Dimensions: 193 x 146 x 73mm/7.6 x 5.7 x 2.9" (LxWxH)
- Net weight of the host: 0.95kg/2.1 lb
Package Included:
- 1 x Main Unit
- 1 x Power Adapter
- 1 x User Manual
Note:
- It is not recommended for tube amplifiers, as their output cannot be unloaded.
