{"product_id":"621467","title":"RoyerLabs [Summer Bonus Sale] dBooster (In-Line Signal Booster) (12dB\/20dB Microphone Booster) (Royer)","description":"★Inline booster for ribbon and dynamic microphones\u003cbr\u003e\u003cbr\u003e The dBooster is an in-line booster for ribbon and dynamic microphones. It has two gain settings, 12dB and 20dB, allowing you to dial in the gain that's right for a variety of voices and instruments.\u003cbr\u003e The 20dB setting provides a clean boost for soft instruments and vocals. When using with louder instruments like electric guitars, use the 12dB setting to avoid overloading the preamp or I\/O.\u003cbr\u003e\u003cbr\u003e dBooster's Class A input stage delivers a clean boost with ultra-low noise and distortion.\u003cbr\u003e The dBooster's low impedance output simplifies everything from studio to live stage, delivering superior headroom and vintage-style sound with minimal gain loss, even over long cable runs.\u003cbr\u003e\u003cbr\u003e dBooster produces particularly excellent results when used with Royer Labs ribbon microphones such as the R-121, R-10, and SF-12.\u003cbr\u003e It works great not only with ribbon microphones, but also with dynamic microphones.\u003cbr\u003e\u003cbr\u003e Every dBooster is assembled in the USA and shipped from Royer Labs headquarters in Burbank, California.\u003cbr\u003e\u003cbr\u003e Key Features: 12dB\/20dB gain selector, ultra-low noise, Class A input stage, safe for use with all ribbon microphones, wide frequency bandwidth, maintains audio quality even over long cable runs\u003cbr\u003e\u003cbr\u003e ■Specifications Gain: 12dB or 20dB\u003cbr\u003e・THD+N: @ 20dB Gain = .0015%, -25dBu input signal, 1.3Vp-p output signal @ 12dB Gain = .001%, -6Bu input signal, 3.66Vp-p output signal\u003cbr\u003e・IM Distortion: @ 20dB setting, \u0026lt; .002% @ 800mV output, @ 12dB setting, \u0026lt; .005% @ 2.6volts output\u003cbr\u003e・Self-Noise：referred to -48dB re. 1V\/pa, 20dB setting \u0026lt; 11dBa, 12dB setting \u0026lt; 15dBa\u003cbr\u003e・Headroom：referred to -48dB re. 1V\/pa and 4mV\/pa, 20dB setting: 127dB, 12dB setting: 120dB\u003cbr\u003e・Frequency response: 20Hz-20kHz +\/- .25dB\u003cbr\u003e Input Impedance: 3.6K-Ohm\u003cbr\u003e・Output Impedance: (at 20dB setting) 300-Ohms\u003cbr\u003e・Current draw: approximately 5ma at zero signal and 7.5ma at full output\u003cbr\u003e・Input and output connections: Balanced XLR: (Pin 1 Ground, Pin 2 Signal Hot, Pin 3 Signal Cold)\u003cbr\u003e Power: 48-Volt phantom\u003cbr\u003e Size: 92mm\/51mm\/41.3mm\u003cbr\u003e・Weight: 170g\u003cbr\u003e\u003cbr\u003e","brand":"RoyerLabs","offers":[{"title":"Default Title","offer_id":42492318646385,"sku":"621467","price":178.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/4173\/0673\/files\/dBooster__In-Line_Signal_Booster___12dB_20dB_Microphone_Booster___Royer__01.jpg?v=1759426518","url":"https:\/\/global.ikebe-gakki.com\/zh-hans\/products\/621467","provider":"Ikebe Musical Instruments Store","version":"1.0","type":"link"}