Flawless sound for all your equipment. The Radial ProAV1 Multimedia Passive DI Box is an essential toolkit for all your multimedia needs. Whether youre on stage or in the studio the ProAV1 automatically sums stereo sources to mono preserving channels and simplifying your setup. Connecting your gear has never been easier. No unwanted noise. Just great sound. The ProAV1 eliminates buzzing from ground loops so youll always get the clearest sound. And with a -15dB pad at hand youll never have to worry about distortion when plugging in your smartphones laptops CD players and more. Perfect for any setup. Thanks to its robust compact construction the ProAV1 can be introduced into the tightest of stage or studio spaces. Never worry about knocks and drops getting in the way of your performance. With its metal chassis youre ready for any challenge. The essential audio toolkit Performance and practicality combined. At the heart of the ProAV1 is a custom-built transformer delivering pristine sound with noise free operation and zero distortion. Connect to a wide range of multimedia devices. Thanks to 1/4” jack RCA TRS and thru inputs onboard it’s easy to plug in your smartphone laptop CD players and other devices. And with a +4dB line level output on board the ProAV1 is the perfect companion for consoles and recording interfaces. Whatever your setup you’ll get a smooth linear frequency response and the clearest sound possible. Features Compact multimedia direct box perfect for AV integrators and reduced channel requirements Handles huge transients without distorting Ultra quiet passive design for virtually noise free operation Eliminate noisy ground loops with built-in transformer isolation and integrated lift switch Pristine signal from 1/4” mono 3.5mm TRS inputs and Thru Connect to professional audio sources via XLR +4dB line input Feed directly to your mixer or mic preamp via balanced 600 ohm XLR output Easily reduce input sensitivity for basses and keyboards with the -15dB pad switch Hi-impedance thru will not load-down instrument tone High-quality powder coat keeps your DI looking great for years to come Ideal for smartphones PCs headphone jacks and more Specifications Audio Circuit Type: Passive transformer-based Number of Channels: Single channel (mono) Frequency Response: 20Hz – 18.5kHz (+/-0.2dB) Dynamic Range: 128dB Maximum Input: +18dB at 20Hz Total Harmonic Distortion: 0.01 from 20Hz to 20kHz at -10dB Phase Deviation: 1° at 100Hz 8° at 20Hz CMR Ratio: 100dB at 60Hz Input Impedance: 140K Ohms unbalanced Output Impedance: 150 Ohms balanced Transformer: Eclipse ET-D82 12:1 ratio Shield: Faraday MuMetal can Input Pad: -15dB Merge: Sums left and right to mono 180&deg Polarity Reverse: Inverts absolute phase Ground Lift: Disconnects pin-1 at XLR output XLR Configuration: AES standard (pin-2 hot) Connectors: In & Thru: 1/4 RCA 3.5mm In: XLR-F Out: XLR-M Construction: 14-gauge steel chassis and shell Finish: Durable powder coat Size (W x H x D): 3.25 x 5 x 1.875 Weight: 0.73kg / 1.6lbs Power: Passive no power required Conditions: For use in dry locations only between 5°C and 40°C