Boss DI-1 Direct Injection Box

The DI-1 is a high-quality direct box with crystal-clear sound for transforming high-impedance, unbalanced instrument outputs to the low-impedance, balanced inputs of a mixing console.

• Active direct box with superior frequency response to conventional transformers
• Operates on a 9-volt battery or phantom power from a mixer
• Phase reversal and ground lifting switches
• Three input level switches
• Sturdy, compact design

Frequency Response20 Hz to 40 kHz (+0.5/-1 dB)Nominal Input Level-20/0/+20 dBu (selectable)Max. Input Level+45 dBu (1 kHz), 390 Vp-pMax. Output Level+8 dBu (Balanced: 600 ohms load, Unbalanced: 50 k ohms)Residual Noise-110 dBu or less (IHF-A)Total Harmonic Distortion0.05 % or lessPower SupplyDC 9 V: Dry Battery (6F22/6LR61 type), or
Phantom Power: DC 24 V to DC 48 VCurrent Draw6 mASize and WeightWidth97 mm
3-13/16 inchesDepth125 mm
4-15/16 inchesHeight46 mm
1-13/16 inchesWeight480 g
1 lbs. 1 oz.* 0 dBu = 0.775 Vrms*The specifications are subject to change without notice.