
d&b audiotechnik | D20
4-channel digital power amplifier with integrated DSP
Technical specifications
Technology : 4-channel digital power amplifier with integrated DSP
Amplified channels : 4 independent channels
DSP processing : Loudspeaker presets, EQ, delays, limiters and protection
Latency : 0.3 ms
Converters : 24-bit / 96 kHz
Output power : 4x 1600 W at 4 ohms
Minimum load impedance : 4 ohms per channel
Interface : 3.5" TFT colour touchscreen, 320 × 240 pixels, with digital rotary encoder
Audio inputs : 4 analogue XLR inputs (A1–A4) or AES/EBU (D1/2–D3/4)
Audio outputs : 4 analogue XLR outputs (A1–A4)
Loudspeaker outputs : 6 NL4 outputs (A/B and C/D + Mix TOP/SUB / 2-way active) + 1x 4-channel NL8 output
Network connectivity : 2 EtherCON RJ45 ports, 10/100 Mbit Ethernet
Dimensions W x H x D : 482 x 89 x 460 mm
Net weight : 10.8 kg
Frequently asked questions
Thanks to its four independent amplifier channels, the D20 can power multiple loudspeakers or subwoofers while maintaining precise control over each individual channel.
The integrated DSP applies loudspeaker-specific presets, provides equalisation and delay processing, and incorporates limiting and protection functions to optimise system performance and protect the loudspeakers.
Ethernet ports enable system monitoring, remote control and integration of the D20 into a centralised management system using d&b R1 software.
The D20 is suitable for live productions, corporate events, theatres, congress centres and permanent installations using d&b audiotechnik loudspeakers.



