| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $34.29 | $33.59 | $32.54 | $31.14 | Contact US |
Waveshare USB to RS232/485/TTL Interface Converter Communication Module (CH343G Chip) w/ Isolation
$29.31
Waveshare USB to RS232/485/TTL Interface Converter Communication Module (FT232RNL) w/ Isolation
$33.20
Mini Duplex Hotspot Motherboard for MMDVM Digital Modem Box and 433MHz Antenna Support for DMR / D-Star / NXDN / POCSAG
$32.08
Preamp Electronic Three Frequency Board Three Divider Can Change Frequency Point Adjustment
Features
- Stereo sound 6 channel output structure, input stereo sound, output 6 channel channel
- A class power supply, OP power supply, with four times of preamplifying gaining
- Filter type: Linkwitz-Riley
- Frequency division point: 310HZ/3.1KHZ
- Attenuation slope -24dB/Oct
- Board structure: 6 channel output, treble, bass, baritone
- OP chip: double precision NE5532 imported from JRC company (of course, according to the customer need to replace other amplifiers such as: OPA2604AU OP275G TL072)
- Size: 173*69mm
- AC transformer power supply range: dual 14 to dual 19V
- Connector: audio input / output frequency of ----2 plating Jinlianhua socket *4
