{"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\u003e\u003cbr\u003eThe B981 is a powerful 8-channel high-power preamplifier which has dual-sound input with a selector switch. \u003cbr\u003eThe product provides an independent 3.5mm stereo earphone jack which can perfectly drive a variety of high-impedance professional monitor earphones. \u003cbr\u003eEach channel can drive 16Ω-600Ω and provide 8 stereo channels for output. \u003cbr\u003eThere are four independent volume knob adjustments to control the 8-channel for simultaneous level signal output, presenting the rich sound quality, \u003cbr\u003ewell-balanced bass, clear high frequency, and no other signal popping phenomenon, \u003cbr\u003eand ensuring lossless and undistorted sound. \u003cbr\u003eIt 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\u003eYou can use the product to connect line level signal source and power amplifier as a volume controller. \u003cbr\u003eThe RCA socket can match almost all other product interfaces. The product is powered by an AC AC9V transformer.\u003cbr\u003e\u003cbr\u003eProduct parameters\u003cbr\u003e\u003cbr\u003eInput impedance: 100K Ohm\u003cbr\u003eMaximum input level: +14 dBV\u003cbr\u003eOutput impedance: 47 Ohm per output channel\u003cbr\u003eFrequency response: 20 Hz - 20K Hz\u003cbr\u003eSignal to noise ratio: \u0026gt; 107dB\u003cbr\u003eTotal harmonic distortion: \u0026lt; 0.08%\u003cbr\u003eIntermodulation distortion: \u0026lt; 0.01%\u003cbr\u003eSignal input: two sets of stereo RCA socket\u003cbr\u003eSignal output: six sets of stereo RCA connectors and two sets of 3.5mm stereo earphone jack\u003cbr\u003eProduct power supply: AC9V-12V\u003cbr\u003e4 independent channel stereo level volume output controlling knobs\u003cbr\u003eProduct net weight: 0.68kg\u003cbr\u003ePackaged product weight: 0.82g\u003cbr\u003eProduct dimensions: length 145mm X width 112mm X height 42mm\u003cbr\u003ePacking dimensions: length 260mm X width 185mm X height 65mm\u003cbr\u003e\u003cbr\u003eKit list\u003cbr\u003e1 X B981 Professional 8-channel preamp signal-amplifier speaker distributor\u003cbr\u003e1 X AC9V Power adapter (US standard) line length 100CM\u003cbr\u003e\u003cdiv class=\"params_begin\"\u003eSpecification:\u003c\/div\u003e\r\n\u003cdiv style=\"border-top: 1px solid #e0e0e0;\"\u003e\r\n\u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n  \u003ctr\u003e\r\n\t\u003ctd style=\"border: none; padding: 5px; width: 15%;\"\u003e\r\n\t\t\tPackage Weight\r\n\t\t\u003c\/td\u003e\r\n\t\u003ctd style=\"border: none; padding: 0;\"\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eOne Package Weight\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t0.82kgs \/ 1.82lb\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eQty per Carton\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t18\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eCarton Weight\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t15.00kgs \/ 33.07lb\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eCarton Size\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t68cm * 48cm * 17cm \/ 26.77inch * 18.9inch * 6.69inch\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv class=\"params_prop last_prop\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eLoading Container\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t\t\t\t\t20GP: 480 cartons * 18 pcs = 8640 pcs\u003cbr\u003e\r\n\t\t\t\t\t\t\t\t40HQ: 1115 cartons * 18 pcs = 20070 pcs\u003cbr\u003e\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\u003c\/td\u003e\r\n  \u003c\/tr\u003e\r\n\u003c\/table\u003e\r\n\u003c\/div\u003e\r\n\r\n\u003cdiv style=\"border-top: 1px solid #e0e0e0;\"\u003e\u003c\/div\u003e\r\n\u003cbr\u003e","brand":"Jumocart","offers":[{"title":"Default Title","offer_id":36338517639324,"sku":"SYA002129","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0465\/2259\/7532\/products\/SYA002129.jpg?v=1601900964","url":"https:\/\/jumocart.myshopify.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":"Jumocart","version":"1.0","type":"link"}