Key Features Connect a Keyboard to a Mic Input Connect a Guitar/Bass to a Mic Input Converts Instrument Level to Mic Level Adapts Unbalanced Hi-Z to Balanced Lo-Z 2 x 1/4" TS Inputs Balanced 3-Pin XLR Output Right 1/4" Input Doubles as Thru Jack Pad, Low-Cut, Polarity & Ground Lift 48 VDC Phantom Powered Durable Metal Housing with Nylon Bumpers Connect your mono or stereo keyboard, or a guitar and bass directly to a single mic preamp with the On-Stage DB1100 active DI box. Thanks to a selectable stereo-to-mono summing function, it adapts up to two high-impedance, instrument-level 1/4" TS inputs to one low-impedance, mic-level XLR output. Short Description: Active DI Box Application Acoustic guitars, bass guitars, keyboards, and more Inputs Stereo 1/4" Output XLR (mono) Power Phantom Pad 15dB Ground Lift Yes Polarity Switch Yes Low Cut Switch Yes Merge Switch Yes - Stereo-to-Mono summing Input Resistance 220K Ohms Construction Metal w/ nylon bumpers Dimensions 6" x 3.5" x 1.5" Weight 0.70 lbs.