sonible’s d:24 multi-channel amplifier delivers brilliant sound for high-end audio installations in science, research, and industry: reliable, true to the signal and unique in its class.

  • 24 x 250 Watts of power

  • Completely noise-free with SNR > 110dB per channel

  • Extremely compact 3D audio and multi-zone amplification at 3 RU


Precision meets design

Analog & digital

Flexible Interfaces

As a true team player, the d:24 effortlessly cooperates with pre-installed systems. The analog inputs of the base model are expandable with three different digital input options: MADI (coaxial and optical), DANTE and AES/EBU. All digital modules are equipped with high-end D/A converters and allow free routing of every single channel. The good news: the modules can easily be retrofitted.



DSP power inside

For maximum comfort with every installation, the d:24 comes with a set of convenient signal processing tools. The optional DSP module offers an equalizer, a compressor, a limiter, and a delay. Even with complex installations, the multi-channel amplifier can thus function as a compact all-in-one solution.

The DSP option turns the d:24 into a flexible partner for implementing compact systems with a large number of speakers – for example, when working with modern 3D audio formats such as Higher Order Ambisonics (HOA) or Wave Field Synthesis (WFS).

Web based interface

Simple remote control

Thanks to Ethernet-interface and web-applications, all of the amplifier’s features can be remote-controlled. The web-based control makes it possible to make instant adjustments to the system from any location. The DSP option can be remote-controlled in the same way.

For critical development work or sensitive installations, the d:24 additionally features an emergency stop. All channels can be deactivated via the 6.3 mm connector/jack without having to deal with software.

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Use Cases

Who is using our d:series?

Research & development

Leading academic institutions in multichannel audio like the IEM (Austria), the IRCAM (France) and the DTU (Denmark) are using our d:24 for research and development applications in the fields of virtual acoustics (HOA, WFS).

3D audio performance

The d:24 is ready for future of 3D audio performances. Compact, lightweight and reliable technology for creative visionaries. For example together with our unique 3D audio speaker IKO.

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technical details

Download datasheet

General information

482,6 mm x 132,5 mm x 451 mm
(19" / 3U / 17,8")
ca. 20 kg (44 lbs)

Connections (analog)

power supply
1x powerCON (by Neutrik)
analog inputs
3x DSub25 (pinout: Tascam norm)
network connection
1x etherCON (by Neutrik)
panic mute switch
1x lockable Jack ¼" (by Neutrik)
speaker out (24 channels)
6x speakON (by Neutrik)

MADI module*

optical MADI in/out
1x SC Connector 50/125 μm
coaxial MADI in/out
2x BNC 75 Ω

Dante module*

Dante port
2x RJ45 (primary, secondary)

AES3 (AES/EBU) module*

digital inputs
2x SubD-25 (Tascam)
(16 + 8 ch. async.)

DSP module*

DSP features (per channel)
EQ, compressor, limiter, delay
gain & delay
gains up to 20dB, delay up to 11.5 ms, phase invert
cross-over, low cut, high cut (Linkwitz-Riley, Bessel or Butterworth up to 4th order), 5 parametric EQs (bell, shelf or cut)
compressor, limiter, incl. soft knee

Electrical specs

max. input level
+15 dBu
voltage gain
17 dB ±0.5 dB
input impedance
95 kΩ
input impedance PR
250 W @ 4 Ω (THD = 0.05%)
125 W @ 8 Ω (THD = 0.04%)
frequency response
-3 dB @ 10 Hz
-2 dB @ 50 kHz
> 110 dB
max. THD (10 Hz - 30 kHz)
15 dBu → 0.05 %
0 dBu → < 0.01 %
-20 dBu → 0.03%
channel cross talk
< -60 dB
idle loss
< 500 W
standby power consumption
< 2.5 W

Maximum ratings

air temperature
0° C - 30° C
input voltage
230 VAC ±10 V
minimum loads
≥ 4 Ω (single channel)
≥ 8 Ω (bridged)

* optional module