{"product_id":"pre-amplifier-speaker-distributor-2-in-8-out-switcher-speaker-comparator-signal-booster-with-volume-control-and-earphone-16-600-ohms-monitor-function-2-channel-signal-switching-input","title":"Pre-Amplifier Speaker Distributor, 2 In 8 Out Switcher, Speaker Comparator, Signal Booster, With Volume Control And Earphone 16-600 ohms \/ Monitor Function 2-Channel Signal Switching Input","description":"Product function introduction \u003cbr\u003e1. The B981 is a powerful 8-channel high-power pre-amplifier which has dual-sound input with a selector switch.  \u003cbr\u003e2. The product provides an independent 3.5mm stereo earphone jack which can drive a variety of high-impedance professional monitor earphones well.  \u003cbr\u003e3. Each channel can drive 16ohm -600 ohm and provide 8 stereo channels for output.  \u003cbr\u003e4. 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.  \u003cbr\u003e5. 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.  \u003cbr\u003e6. You can use the product to connect line level signal source and power amplifier as a volume controller.  \u003cbr\u003e7. The RCA socket can match almost all other product interfaces. The product is powered by an AC AC9V transformer. \u003cbr\u003e \u003cbr\u003eProduct parameters \u003cbr\u003e1. Input impedance: 100K Ohm \u003cbr\u003e2. Input level: +14 dBV \u003cbr\u003e3. Output impedance: 47 Ohm per output channel \u003cbr\u003e4. Frequency response: 20 Hz - 20K Hz \u003cbr\u003e5. Signal to noise ratio: Above 107dB \u003cbr\u003e6. Total harmonic distortion: Less than 0.08% \u003cbr\u003e7. Inter-modulation distortion: Less than 0.01% \u003cbr\u003e8. Signal input: Two sets of stereo RCA socket \u003cbr\u003e9. Signal output: Six sets of stereo RCA connectors and two sets of 3.5mm stereo earphone jack \u003cbr\u003e10. Product power supply: AC 9V-12V \u003cbr\u003e11. 4 independent channel stereo level volume output controlling knobs \u003cbr\u003e12. Product net weight: 0.68kg \u003cbr\u003e13. Packaged product weight: 0.82g \u003cbr\u003e15. Product dimensions: Length 145mm x width 112mm x height 42mm \u003cbr\u003e16. Packing dimensions: Length 260mm x width 185mm x height 65mm \u003cbr\u003e \u003cbr\u003eKit list \u003cbr\u003e1. B981 Professional 8-channel preamp signal-amplifier speaker distributor  x 1 \u003cbr\u003e2. AC9V Power adapter (US standard) line length 100CM x 1\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cdiv class=\"params_begin\"\u003eSpecification:\u003c\/div\u003e\u003cdiv style=\"border-top: 1px solid #e0e0e0; width: 100%;\"\u003e\u003ctable border=\"0\" style=\"margin-bottom: 0; width: 100%;\"\u003e  \u003ctr\u003e\n\u003ctd style=\"border: none; padding: 5px; width: 15%;\"\u003ePackage Weight\u003c\/td\u003e\n\u003ctd style=\"border: none; padding: 0;\"\u003e\n\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0; width: 100%;\"\u003e  \u003ctable border=\"0\" style=\"margin-bottom: 0; width: 100%;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eOne Package Weight\u003c\/td\u003e\n\u003ctd style=\"border: none; padding: 5px;\"\u003e0.89kgs \/ 1.97lb\u003c\/td\u003e\n\u003c\/tr\u003e  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0; width: 100%;\"\u003e  \u003ctable border=\"0\" style=\"margin-bottom: 0; width: 100%;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eOne Package Size\u003c\/td\u003e\n\u003ctd style=\"border: none; padding: 5px;\"\u003e26cm * 18.5cm * 6.5cm \/ 10.24inch * 7.28inch * 2.56inch\u003c\/td\u003e\n\u003c\/tr\u003e  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0; width: 100%;\"\u003e  \u003ctable border=\"0\" style=\"margin-bottom: 0; width: 100%;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eQty per Carton\u003c\/td\u003e\n\u003ctd style=\"border: none; padding: 5px;\"\u003e18\u003c\/td\u003e\n\u003c\/tr\u003e  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0; width: 100%;\"\u003e  \u003ctable border=\"0\" style=\"margin-bottom: 0; width: 100%;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eCarton Weight\u003c\/td\u003e\n\u003ctd style=\"border: none; padding: 5px;\"\u003e15.00kgs \/ 33.07lb\u003c\/td\u003e\n\u003c\/tr\u003e  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0; width: 100%;\"\u003e  \u003ctable border=\"0\" style=\"margin-bottom: 0; width: 100%;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eCarton Size\u003c\/td\u003e\n\u003ctd style=\"border: none; padding: 5px;\"\u003e68cm * 48cm * 17cm \/ 26.77inch * 18.9inch * 6.69inch\u003c\/td\u003e\n\u003c\/tr\u003e  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"params_prop last_prop\"\u003e  \u003ctable border=\"0\" style=\"margin-bottom: 0; width: 100%;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eLoading Container\u003c\/td\u003e\n\u003ctd style=\"border: none; padding: 5px;\"\u003e20GP: 480 cartons * 18 pcs = 8640 pcs\u003cbr\u003e40HQ: 1115 cartons * 18 pcs = 20070 pcs\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e  \u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cdiv style=\"border-top: 1px solid #e0e0e0;\"\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Trustpick","offers":[{"title":"Default Title","offer_id":43118149533755,"sku":"SYA002129","price":62.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9723\/9611\/files\/SYA002129.jpg?v=1767775580","url":"https:\/\/ru.trustpick.com\/products\/pre-amplifier-speaker-distributor-2-in-8-out-switcher-speaker-comparator-signal-booster-with-volume-control-and-earphone-16-600-ohms-monitor-function-2-channel-signal-switching-input","provider":"Trustpick","version":"1.0","type":"link"}