| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $28.13 | $27.55 | $26.69 | $25.54 | 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
N60 Mini LoudSpeaker Rechargeable Mini Portable Speaker Micro SD Card MP3 Loudspeaker-Silver
Specfications:
- Power supplier: USB/Built in Lithium battery
- Save/Download: USB data cable download, no need external card reader
- Output: RMS 3W×2 THD=10%
- Frequency: 150~1800Hz(±3dB)
- SNR: ≥80dB
- Response Sensitivity: ≥80dB
- Impedance: 4HM(Ω)
- Power Input: USB DC 5V
- Case Material: Aluminium
- Dimensions of speaker: 105x62x49mm
