$109

Includes Free Shipping*

Category:
  1. ...
  2. Signal Processing Devices
  3. DI / Direct Box

Product Code: APA-DPDB

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Product Code: APA-DPDB

$109

ART Pro Audio Dual Passive Direct Box

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Unopened items may be returned within 30 days from the delivery date for a refund, exchange or credit. Items that have been opened may be accepted back at our discretion. For more information visit our returns policy page.

35 Years. One Massive Thank You.


Mannys Means Music - and it has for 35 years. To celebrate, we're giving one lucky customer a $3,500 store voucher


Between October 1st and December 31st 2026, spend $350 or more in-store or online and enter to win a $3,500 Mannys store voucher, on us! Enter with your order number via the entry form. T&Cs apply. ACT excluded. Purchase must be made between October 1st and December 31st 2026, 11:59pm AEDT. Entries close January 11 2027, 11:59pm AEDT.

Product Information

The ART Pro Audio Dual Passive Direct Box is a two-channel transformer-isolated DI designed to convert unbalanced instrument, line, and speaker signals into balanced XLR outputs for mixing consoles and recording interfaces. Each channel features a 50 kΩ input impedance and 600Ω output impedance, with transformer isolation ensuring clean signal transfer and excellent channel separation exceeding 80 dB. The fully passive design requires no external power, making it dependable for stage and studio applications where reliability matters most.

Front-panel switches on each channel provide three attenuation settings–0 dB, -20 dB, and -40 dB–to handle everything from instrument-level signals to high-powered speaker outputs without distortion. A switchable 30 kHz low-pass Bessel filter eliminates radio frequency interference and high-frequency noise. Rear-mounted ground lift switches reduce hum and buzz caused by ground loops, while phase invert switches resolve polarity issues when combining DI and microphone sources. Frequency response spans 10 Hz to 50 kHz with ±0.5 dB tolerance at +4 dBu, and total harmonic distortion measures just 0.01% at 1 kHz.

Each channel includes both XLR output and parallel 1/4" TRS thru connectors, allowing simultaneous connection to front-of-house mixing while feeding an amplifier onstage. The rugged aluminium enclosure measures 4.7 cm high by 11.7 cm wide by 9.9 cm deep and weighs just 400 grams, fitting easily into crowded pedalboards or rack drawers. The passive transformer design works particularly well with active sources including synthesizers, digital pianos, DJ controllers, and guitars with onboard preamps.

Features
  • Two independent passive channels with transformer-isolated XLR outputs
  • 1/4" TRS inputs with parallel thru jacks for simultaneous amp connection
  • Switchable attenuation per channel: 0 dB, -20 dB, or -40 dB
  • 30 kHz low-pass Bessel filter on each channel eliminates RF interference
  • Ground lift and phase invert switches per channel on rear panel
  • Frequency response: 10 Hz to 50 kHz ±0.5 dB at +4 dBu
  • Total harmonic distortion below 0.01% at 1 kHz, +18 dBu typical
  • Rugged aluminium enclosure: 4.7 x 11.7 x 9.9 cm, 400 g weight
For more information, please visit the manufacturer's website.