| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $27.05 | $26.50 | $25.67 | $24.56 | Contact US |
EX202/2170 Touchpad+Encoder Knob Version DSP2.1 Digital HiFi Stereo Power Amplifier Board 70Wx2+140W Support for TWS
$48.13
EX202/2170 Touchpad Version DSP2.1 Digital HiFi Stereo Power Amplifier Board 70Wx2+140W Support for TWS
$47.16
EX202/2170 Encoder Knob Version DSP2.1 Digital HiFi Stereo Power Amplifier Board 70Wx2+140W Support for TWS
$46.19
Lehmann BD139 BD140 Preamplifier Headphone Kit
Description:
- this is a kit,you need to solder it by yourself.pay me more 7USD for the completed board.
- Board size: 106MM * 148MM
- Operating voltage: AC 15V-0-15V AC12V-0-AC12V input a set of spare DC15V-0-15V
- Apply Impedance: 32 ohm -600 ohm
- Frequency Response: 20HZ-20KHZ
Features:
- Original Lehmann circuit, with double recovery fuse and
- With gain option and standby positive and negative power input
- With 2* 6.35mm headphone jack output
- With rar audio output (can be used as pr-amp)
- Only improves the components mounting hole, more flexible
- Filter: 10,000UF
- Audio output coupling capacitance, SIEMENS blue shell HIFI coupling
- CBB: Original Philips
- Sweden RIFA capacitors for Audio loop
- BD139 BD140 tube output
- OP AMP: 5532( can be changed yourself)
NOTE:
- Spaer parts, not assembled
- Not include the copper pillar or screws
Package list:
- 1 x Lehmann BD139 BD140 Preamplifier Headphone Kit
