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2 in 8 out Switcher Pre-Amplifier Speaker Distributor Signal Booster with Volume Control And Earphone 16-600 ohms / Monitor Function
2 in 8 out Switcher Pre-Amplifier Speaker Distributor Signal Booster with Volume Control And Earphone 16-600 ohms / Monitor Function
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1. The B981 is a powerful 8-channel high-power pre-amplifier which has dual-sound input with a selector switch.
2. The product provides an independent 3.5mm stereo earphone jack which can drive a variety of high-impedance professional monitor earphones well.
3. Each channel can drive 16ohm -600 ohm and provide 8 stereo channels for output.
4. There are four independent volume knob adjustments to control the 8-channel for simultaneous level signal output, presenting the rich sound quality, well-balanced bass, clear high frequency, and no other signal popping phenomenon, and ensuring lossless and undistributed sound.
5. It can provide +20dB high gain through any line level signal source, allowing running through longer cable lines or "buffering" to solve low volume problems.
6. You can use the product to connect line level signal source and power amplifier as a volume controller.
7. The RCA socket can match almost all other product interfaces. The product is powered by an AC AC9V transformer.
Product parameters
1. Input impedance: 100K Ohm
2. Input level: +14 dBV
3. Output impedance: 47 Ohm per output channel
4. Frequency response: 20 Hz - 20K Hz
5. Signal to noise ratio: Above 107dB
6. Total harmonic distortion: Less than 0.08%
7. Inter-modulation distortion: Less than 0.01%
8. Signal input: Two sets of stereo RCA socket
9. Signal output: Six sets of stereo RCA connectors and two sets of 3.5mm stereo earphone jack
10. Product power supply: AC 9V-12V
11. 4 independent channel stereo level volume output controlling knobs
12. Product net weight: 0.68kg
13. Packaged product weight: 0.82g
15. Product dimensions: Length 145mm x width 112mm x height 42mm
16. Packing dimensions: Length 260mm x width 185mm x height 65mm
Kit list
1. B981 Professional 8-channel preamp signal-amplifier speaker distributor x 1
2. AC9V Power adapter (US standard) line length 100CM x 1
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