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dbx db12 Active Direct Box

The db12 is an active direct box, running its low-noise circuitry on 48V phantom power from the console rather than a transformer, with a green LED that confirms phantom is present. A single instrument, line, or speaker-level source comes in on a 1/4 inch jack and leaves on a gold-plated Neutrik XLR, with a parallel thru jack so a backline amp keeps running unaffected.

A 3-way 0/20/40 dB pad switch handles everything from a passive pickup to a hot power-amp output, and ground lift, polarity invert, and a flat/high-cut filter switch are all on the front panel for dealing with hum, phase, and boomy sources on the spot. The box measures 5.82 x 5.44 x 2.2 inches and weighs 1.4 lbs.

TypeActive direct injection box, phantom powered
Input Connector1/4 in jack, unbalanced, hi-Z
Max Input+20 dBu (0 dB pad); +40 dBu (20 dB pad); +60 dBu (40 dB pad)
Output ConnectorGold-plated Neutrik XLR, balanced, lo-Z
Switches3-way pad, ground lift, polarity invert, flat/high-cut filter
Frequency Response20 Hz - 20 kHz, +/- 2.5 dB
NoiseUnder -105 dB unweighted, 22 kHz bandwidth
Dimensions / Weight5.82 in L x 5.44 in W x 2.2 in H; 1.4 lbs