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D.O.TEC® MA2CHBOX.XT is a reference class headphone amplifier for MADI and AES signals with extended functionality. The device provides two standard MADI ports (AES10), an AES port (AES3) and two ExpressCard ports for use with RME MADIface.

Any stereo pair or single mono channel out of four MADI streams or the AES input can be monitored at the headphone output and the AES output too. The AES input signal may also be embedded into the MADI stream. The MADI I/Os are designed both as coaxial BNC I/O and optical SC multi-mode transceiver.

The encoder knob on the front panel provides direct access to output volume, channel selection and the setup menu.

With its excellent sound quality and the straight forward operating concept, the D.O.TEC® MA2CHBOX.XT becomes a perfect toolbox for line checking, monitoring, signal conversion and redundant recording in MADI setups.


MADI ports (I/O)*:
1 x coaxial BNC, 75 Ohm
1 x optical SC-Socket multi-mode

ExpressCard ports: 2 x IEEE1394a connector
(proprietary protocol - no firewire),
compatible with RME MADIface ExpressCard
AES3 port (I/O): 1 x DSUB-9 (XLR adaptor included)
Headphone output: 6.3 mm TRS jack, stereo
Output level: max. +12 dBu
SNR: 114 dB RMS unweighted / 117 dB(A)
THD@0dBFS: -95 dB/600 Ohm
Sample rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz (+/- 12.5%)
MADI formats: 48k / 96k Frame, 56 / 64 channel, S/MUX
Serial communication: RS-232 via USB
(virtual COM port for Windows XP, Vista, 7)
Power supply*: 84 V to 264 V AC / 47 to 63 Hz /
safety class 1 (C13 connector)
Power consumption: 5 Watt, Standby power < 0,5 Watts (Efficiency Level V)
Dimensions: Width 140 mm
Height 42 mm
Depth 140 mm Please click here to ask a question
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Shipping options

  • Auckland$5.00
  • North Island$7.50
  • South Island$10.00
  • Seller allows pick-ups
  • Seller location: North Shore, Auckland, NZ

Payment options

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    Cash, NZ bank deposit