Details

• The B981 is a powerful 8-channel high-power preamp that has dual sound input
• With a selector switch. The product offers an independent 3.5mm stereo earphone jack that
• Can perfectly drive a variety of high-impedance professional monitor earphone.
• Each channel can drive 16Ω-600Ω and offer 8 stereo channels for output.
• There are four independent volume button adjustments every 8 channels
• For simultaneous level signal, present the rich sound quality,
• Well balanced bass, clear high frequency, and no other signal popping phenomenon,
• And ensure lossless and undistorted sound.
• It can offer + 20dB high gain by any line level signal source,
• Allowing running through longer cable lines or "buffering" to solve low volume problems.
• You can use the product to connect line level signal source and power amplifier as a volume controller.
• The RCA socket can match almost all other product interfaces.
• The product is powered by an AC AC9V transformer.

Features

• Input impedance: 100 K Ohm
• Maximum input level: + 14 dBV
• Output impedance: 47 ohms per output channel
• Frequency response: 20Hz-20KHz
• Signal-to-noise ratio:> 107dB
• Total harmonic distortion: <0.08%
• Intermodulation distortion: <0.01%
• Signal input: two sets of stereo RCA socket
• Signal output: six sets of stereo RCA connectors and two sets of 3.5mm stereo headphone connection
• Product power supply: AC9V-12V
• 4 independent channel stereo level volume output controlling buttons
• Product net weight: 0.68 kg
• Packed weight: 0.82g
• Product dimensions: length 145 mm X width 112 mm X height 42 mm
• Packaging dimensions: length 260mm X width 185mm X height 65mm

Packing list

• 1 X B981 Professional 8-channel preamplifier signal-amplifier speaker distributor
• 1 X AC9V Power adapter