The best sound. Whenever you need it. The Radial StageBug SB-2 Passive DI Box is the ultimate companion for your bass and keyboard. Whether you?re on stage or in the studio youll get crystal clear audio. No hums. No buzzes. And no distortion. Simple yet powerful control. Alongside its plug and play design the SB-2 is ready for any eventuality. Instantly reduce input sensitivity with the pad switch. Or quickly remove ground-loop noise with the lift switch. Its all there. Right at your fingertips. Portable and practical. The SB-2 is designed to fit neatly into your instrument case. And with a robust construction youll never have to worry about knocks and drops getting in the way of your performance. This is the easiest way to guarantee professional sound. Performance meets practicality Ultra-compact. Without compromising on quality. The SB-2 gets its superior audio from an ultra-quiet isolating transformer that reduces susceptibility to unwanted noise. By converting your signal from high to low impedance you’ll get clear connection on stage and in the studio. Plug into your PA directly via the dedicated thru output. And run long cables without signal degradation. All without needing batteries or power cables. This is the ultimate companion for active basses and keyboards. Features Get the best sound from your active basses and keyboards Fit neatly into your instrument case thanks to an ultra-compact design Plug in and play design – no batteries needed thanks to a passive circuit Instantly reduce input sensitivity for active bass guitars and keyboards with the 15dB pad Connect instruments to the on-stage amplifier directly via Thru output Connect your guitar or bass without distortion with the unbalanced hi-Z input Pristine connection for your PA system or audio workstation with the Lo-Z balanced output Quickly reduce hum and buzz caused by ground loops with the lift switch Robust construction protects against knocks scratches and scrapes Specifications Audio circuit type: Passive transformer based Number of channels: Two channels mono or stereo outputs Frequency response: 20Hz 20KHz (± 1dB) Dynamic range: 100dB Maximum input: +20dB Total harmonic distortion: 0.01 @ 1kHz Phase deviation: 2° @ 100Hz; 5° @ 50Hz Input impedance: 40k Ohms unbalanced Output impedance: 2.8k Ohms balanced Transformer: Custom design Input pad: -10dB Auto Merge: Sums left & right sources to mono at XLR Ground lift: Disconnects pin-1 at 1/4″ TRS outputs XLR configuration: AES standard (pin-2 hot) Input connector: 3.5mm (1/8″) integrated 1.5m (5) cable Output connectors: 1/4″ TRS stereo / XLR-M mono merge Construction: 14 gauge steel chassis & outer shell Finish: Baked enamel Size: (L x W x D) 4.5″ x 185″ x 1.35″ (114mm x 47mm x 34mm) Weight: 0.55 lbs (250 grams) Shipping Size: W x H x D: 102 x 76 x 165mm (4″ x 3″ x 6.5″) Shipping Weight: 0.8 lbs (365 grams) Power: Passive no power required Warranty: Radial 3-year transferable