RME AEB4-O has been discontinued, here are some related products you might like:

4 channel output board for expanding ADAT capable cards (balanced)

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The AEB4-O from RME is an expansion daughter board that adds four balanced analog outputs to any ADAT capable RME system. The later include the DIGI96/8 Series, the Hammerfall Series and the HDSP 9652.

The card operates like any other DA-converter with ADAT input, except that it is connected internally. It provides either +4dBu or -10dBV output level adjustment along with specifications that include a 106dBA signal to noise ratio and the highest suppression of PC-noise.

The AEB4-O offers four 1/4" TRS phone connectors and installation is easy and convenient using the supplied bracket. A card slot is not required.

Note: Multiface and Digiface use the Hammerfall DSP PCI card. This card has no internal inputs or outputs and therefore cannot utilize any expansion boards


A single AEBx-I and one AEBx-O can be connected and operated simultaneously
Hammerfall or Hammerfall Light:
One AEBx-I and two AEBx-O can be connected and operated simultaneously. Requires board revision 1.5 or higher
HDSP 9652:
Two AEBx-I and two AEBx-O can be connected and operated simultaneously

Converters: 24-bit
Sample Rates: 44.1 and 48kHz
Analog Inputs: Not applicable
Analog Outputs: 4 x 1/4" TRS phone, servo balanced
Digital Inputs: No
Digital Outputs: No
MIDI In/Out: No
Sync In/Out: No
Headphone Output: No
THD + N: -95dB (0.0017 %)
Dynamic Range: 103dB, RMS unweighted, 106dBA
Frequency Response: 10Hz to 21kHz, -0.1dB
System Requirements: As per host system
Specialties: No slot needed on the motherboard

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