Royer Labs - dBooster2 Dual Channel Signal Booster and DI, Inline Preamp for Microphones and Instruments - Black
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About this product
The dBooster2 is two channels of everything our original dBooster is, PLUS both channels double as super clean DI's for electric guitars and bass! Both channels are fully independent so you can plug in two mics at once, use both channels for DI's, or mis them up - one side for a mic and the other for DI. With microphones plugged in, the dBooster2 lets you switch between more than doubling the mic's input signal to quadrupling it, while maintaining an unrivalled amount of headroom with no loss of gain, regardless of the mic and preamp being used. When using the dBooster2's DI inputs, you can select 0dB (unity) gain, or switch to 8dB of gain if you need more level, still taking advantage of dBooster's ultra-clean high-end electronics. In mic mode, the 20dB setting quadruples the input signal, providing loads of clean boost for recording softer instruments and singers. For higher volume instruments or loud singers, switch to the 12dB setting to keep from overloading your preamp or digital interface. The dBooster2's dual Class A input stages deliver crystal clean gain with virtuall no noise or self-distortion. The dBooster2's low-impedance output delivers audiohpile-level performance in the studio and also shines on live stages, driving long cable lengths and difficult loads like mic splitters and any vintage-style preamp... with no distortion, no loss of gain, and more headroom than any other mic lifter. The dBooster2 gives outstanding performance with Royer R-121s, and R-10s and stereo SF-12s - or any other ribbon mic - and it opens up just about any dynamic mic such as SM7bs and RE-20s in a way you have to hear to believe.
Features
Dual Channel Signal Booster for Microphones and Instruments
Provides two fully independent channels for boosting microphone signals or processing instruments, allowing users to connect two microphones, two instruments, or a combination of both. This flexibility makes it suitable for studio and live setups where multiple inputs require clean, reliable signal enhancement.
Integrated DI Function for Guitar and Bass Applications
Each channel functions as a high-quality direct input for electric guitar and bass, delivering clean signal conversion with selectable gain options. This allows musicians and engineers to record instruments directly while maintaining clarity, detail, and consistent signal performance across different setups.
Switchable Gain Levels for Flexible Signal Control
Offers multiple gain settings to match different recording needs, including options that more than double or significantly increase signal output. Users can adjust levels for quieter sources or reduce gain for louder inputs, ensuring optimal signal strength without overloading preamps or audio interfaces.
Class A Circuit Design for Clean and Transparent Sound
Built with dual Class-A input stages that provide clean, transparent gain with virtually no added noise or distortion. This preserves the natural tonal characteristics of microphones and instruments while delivering consistent signal amplification for professional audio applications.
High Headroom Performance with Low Noise Output
Designed with high headroom to prevent signal breakup even at higher gain levels, ensuring stable and distortion-free performance. The low impedance output supports long cable runs and complex setups, making it reliable for studio recording, live sound, and demanding audio environments.
Specifications
- BrandRoyer LabsModel NumberR-DB22Product NamedBooster2 Dual Channel Signal Booster and DI, Inline Preamp for Microphones and InstrumentsColorBlackCompatible Wireless Standard(s)NoneOS CompatibilityNot Applicable
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The dBooster2 is two channels of everything our original dBooster is, PLUS both channels double as super clean DI's for electric guitars and bass! Both channels are fully independent so you can plug in two mics at once, use both channels for DI's, or mis them up - one side for a mic and the other for DI. With microphones plugged in, the dBooster2 lets you switch between more than doubling the mic's input signal to quadrupling it, while maintaining an unrivalled amount of headroom with no loss of gain, regardless of the mic and preamp being used. When using the dBooster2's DI inputs, you can select 0dB (unity) gain, or switch to 8dB of gain if you need more level, still taking advantage of dBooster's ultra-clean high-end electronics. In mic mode, the 20dB setting quadruples the input signal, providing loads of clean boost for recording softer instruments and singers. For higher volume instruments or loud singers, switch to the 12dB setting to keep from overloading your preamp or digital interface. The dBooster2's dual Class A input stages deliver crystal clean gain with virtuall no noise or self-distortion. The dBooster2's low-impedance output delivers audiohpile-level performance in the studio and also shines on live stages, driving long cable lengths and difficult loads like mic splitters and any vintage-style preamp... with no distortion, no loss of gain, and more headroom than any other mic lifter. The dBooster2 gives outstanding performance with Royer R-121s, and R-10s and stereo SF-12s - or any other ribbon mic - and it opens up just about any dynamic mic such as SM7bs and RE-20s in a way you have to hear to believe.
The Royer dBooster is an extraordinary signal booster unlike any other inline lifter, with design and performance specs like the front end of a high-end preamplifier, and a sonic signature that will enable even the most familiar low output passive mics of all flavors to shine like never before. dBooster delivers better than double your passive mic's output; or, with the flick of a button, quadruple the ouput! Features: · True Class-A input stage · Extreme RF protection · Crystal clear gain with virtually no noise or self-distortion · Enormous amount of headroom - will not break up! · Low impedance output handles splitter cables and long cable runs beautifully
Modular by design. Built for movement. The Rover Duo Cross Country is a dual-vehicle cellular signal booster kit engineered for people who split their time between city roads and off-grid trails. Unlike most boosters, this kit includes two complete installation setups—one for your everyday vehicle and one for your overlanding rig—so you can move a single booster module between them without rewiring or reinstalling. Each installation includes its own antenna, mount, and wiring harness, making it easy to switch vehicles in seconds. Whether you're commuting during the week or exploring remote terrain on the weekend, you'll stay connected with reliable voice, text, and data—even in fringe signal areas. This modular system boosts 5G and 4G LTE signals on all major U.S. carriers on frequency bands 12/17 (700 MHz); Band 13 (700 MHz); Band 5 (800 MHz); Band 4 (1700/2100 MHz); Band 25/2 (1900 MHz). From pavement to wilderness, the Rover Duo Cross Country gives you signal flexibility without compromise.
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Specs
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