D80 amplifier

The 2 RU four channel D80 amplifier is a high power density amplifier, ideally suited for use in both mobile and installation environments. It contains configurations for all d&b loudspeakers and a linear mode. The signal delay capability enables user definable settings of up to 10 s (= 3440 m/11286 ft) to be applied independently to each channel. The same applies to the two 16-band equalizers, providing optional parametric, asymmetric, shelving or notch filtering.

The D80 incorporates a colour TFT touchscreen, offering quick access to the menu structure, while the rotary encoder can be used for fine adjustment. The front panel and the integrated touchscreen of the D80 amplifier is tilted up for ease of operation when the amplifier is below eye level.

The equal ratio of signal input to amplifier output channels increases the application flexibility particularly for monitor, frontfill or effect channel use.

The LoadMatch function integrated within the D80 amplifier enables the electrical compensation of loudspeaker cable properties, without the need for an extra conductor. This results in an increased accuracy of audio reproduction over a bandwidth of up to 20 kHz, preserving the tonal balance when cable lengths of up to 70 m (230 ft) are used. The D80 incorporates Class D amplifiers utilizing a power supply with active Power Factor Correction (PFC) suitable for mains voltages 100 V/120 V/200 V/230 V, 50 - 60 Hz and maintains a stable output when used with weak or unstable mains supplies. An NL8 provides all outputs on a single connector, while individual outputs are optionally NL4 or EP5 connectors. RJ 45 and etherCON connectors enable access to the d&b Remote network via CAN-Bus and OCA via Ethernet respectively.

For further information regarding the integration of additional functions into the D80, please contact your Distributor.

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Red Dot Award winner 2014

Introductory video

Introductory video

Tutorial videos

Tutorial videos

Touring rack assembly

Touring rack assembly

D80 Touring rack assembly 10 RU (CEE)1, 128 kg/282 lb (incl. amplifiers)


The D80 Touring rack assembly is designed as a fully equipped and prewired system rack, providing mains power distribution, connector interfaces and all internal cabling for three D80 amplifiers. It is equipped with a 32 A CEE mains power connector, a mains distribution device with a 32 A link, and a loudspeaker connector panel.

All internal audio and remote connections are fully prewired. A 1 RU drawer at the top stores the Rack link, providing two colour coded 2 x AES/XLR and one CAT5/etherCON® loom.

The 10 RU Touring rack houses a 19" internal shockmount steel frame accommodating three D80 amplifiers and the requisite connection panels. It comes with two sliding doors, a perspex window at the front, four wheels, six handles and recessed stacking moulds at the top.

The Touring rack assembly does not include the three D80 amplifiers.


1 D80 Touring rack assembly, Nema L21-30 (120 V devices) on request



Controls and indicators  
POWER Mains power switch
SCROLL/EDIT Digital rotary encoder
Display Colour TFT touchscreen, 3.5"/320 x 240 pixel
Digital Signal Processing  
Equalizer 2 x 16-band PEQ/notch/shelving/asymmetric
Latency analog and digital inputs 0.3 msec.
Delay setting 0.3 - 10000 msec.
Configurations current d&b loudspeakers and linear mode
Function switches d&b loudspeaker specific circuits
Frequency generator Pink noise or Sine wave
Sampling rate 96 kHz/27 Bit ADC/24 Bit DAC
INPUT ANALOG (A1 - A4) 3 pin XLR female
ANALOG LINK (A1 - A4) 3 pin XLR male
INPUT DIGITAL (D1/2, D3/4) 3 pin XLR female AES 3
DIGITAL LINK (Output) 3 pin XLR male
Sampling Digital AES/EBU 48 kHz/96 kHz
Speaker outputs A/B/C/D NL4, optional EP5
4 Channel output NL8
CAN 2 x RJ 45 parallel
ETHERNET 2 x etherCON®, 10/100 Mbit Ethernet
Mains connector powerCON®-HC
Data (linear setting with subsonic filter)  
Maximum output power per channel (THD + N < 0.5%, all channels driven)
CF = 6 dB at 4 / 8 ohms
CF = 12 dB at 4 / 8 ohms
4 x 2600/2000 W
4 x 4000/2000 W
S/N ratio (unweighted, RMS)
Analog input
Digital input
> 114 dBr
Power supply  
Type Autosensing switch mode power supply with active Power Factor Correction (PFC)
Rated mains voltage high range 208 - 240 V, 50 - 60 Hz
Rated mains voltage low range 100 - 127 V, 50 - 60 Hz
Dimensions, weight  
Dimensions (H x W x D) 2 RU x 19" x 530.5 mm/20.9"
Weight 19 kg/42 lb

Application information is presented for guidance only. d&b reserves the right to make any necessary changes to the products and the published specifications. As part of the ongoing development program d&b tries to maintain the highest degree of product compatibility.



Title Language Date Size
D80 Manual 1.10 EN English 11.10.2015 15.8 M
D80 Touring rack CEE Manual 1.3 EN English 09.12.2014 3.7 M
D80 Touring rack NEMA L21-30 Manual 1.1 EN English 23.11.2015 2.9 M
D80/D20 Firmware V2.02.00 Release notes International 05.11.2015 134 K
Declaration of Conformity Loudspeaker/Amplifiers (CE) International 02.09.2015 35 K
The Amplifiers/Software brochure English 15.06.2015 6.9 M
TI 310 Ethernet networking 1.1 EN English 09.12.2014 1.1 M


Architectural specifications

Architectural specifications

The amplifier shall be four channel incorporating digital signal processors (DSP) to provide loudspeaker specific configurations and functions and dedicated protection circuits. It shall be equipped with digital and analog signal inputs as well as link outputs, remote control and monitoring capabilities via CAN-Bus or Ethernet (OCA). User interface shall be via a TFT color touch screen in conjunction with a digital rotary encoder and via remote.

Four input and input link connector shall be provided while two of the connectors shall be configurable for analog or digital (AES3) audio signals.
Analog inputs shall be electronically balanced with an input impedance of 38 kOhm while the analog link output is linked in parallel to the analog input connector.
The digital inputs shall be transformer balanced with an input impedance of 110 ohm while the digital link output shall be electronically balanced providing analog signal buffering (refresh) and power fa
il relay (Bypass). Sampling shall be 48 / 96 kHz / 2 Ch/n and Word-Sync: PLL-locked to source (slave mode) synchronization.

Signal processing shall utilize 96 kHz sampling rate with 27 Bit ADC / 24 Bit DAC conversion while the latency shall not exceed 0.3 msec.

The output connector options shall be 4 x NL4 or 4 x EP5. A four channel out connector (NL8) shall be provided for loudspeaker multicore purposes.

Output configurations shall be selectable for dual channel, mixed top/sub and 2-way active modes.

It shall incorporate two user definable 16-band equalizers for independent application to each channel allowing parametric filters, notch, hi- and lo- shelve filters as well as asymmetric filters.

A signal delay capability of up to 10 sec. (3440 m / 11286 ft) shall be incorporated for independent application to each channel.

Compensation for cable length shall be incorporated to improve impulse response.

It shall contain a signal generator offering pink noise or sine wave program.

Load monitoring and system check functions shall be included to ascertain the status of the loudspeaker impedance. Load monitoring shall allow impedance monitoring to determine the status of an LF or HF driver in systems with multiple elements, even if these are crossed over passively.
Input monitoring shall be included to allow detection of incoming pilot signals.

A Fallback function shall be available to enable the definition of primary (Regular) and secondary (Fallback) signal paths for analog and digital input signals with two different modes (Manual or Auto). It shall ensure that any secondary or emergency signal fed to the Fallback inputs is transmitted when required.

The Override function shall be available to allow a dedicated analog input to be set as a major signal path with highest priority for general messages or emergency services.

An AutoStandby function shall automatically switch the amplifier to Standby mode after a predefined time when the incoming signal level at
the individually specified inputs drops below a defined threshold. The function shall be independent of the mute status of the respective channels. An AutoWakeup function shall automatically repower the amplifier, when an input signal is present and exceeds a defined threshold.

A switch mode power supply shall be incorporated and allow automatic mains range selection for use with 220 - 240 V AC and 100 - 120 V AC, 50 - 60 Hz mains power supply voltages. Mains voltage monitoring, mains inrush current limiter, self-resetting overtemperature, under- and overvoltage protection shall be incorporated as well as mains current limiting.
Power factor compensation (PFC) shall be incorporated to provide a clean and efficient sinusoidal current draw.

It shall have temperature and signal controlled fans for cooling the internal assemblies.

The power amplifier channels shall have ground fault protection, output pop-noise suppression, DC offset protection, output HF voltage limitation, output
current limitation/protection and self-resetting overtemperature protection.

The output power shall be:4 x 2600/2000 W into 4/8 ohms at a crest factor (CF) of 6 dB, 4 x 4000/2000 W into 4/8 ohms at a crest factor (CF) of 12 dB, all channels driven.
Damping factor (20 Hz - 200 Hz into 4 ohms) shall be >100 while the S/N ratio (unweighted, RMS) shall be >110 dBr (analog input) and >114 dBr (digital input).

The dimensions (HxWxD) shall not exceed 2RU x 19" x 530.5 mm (2RU x 19" x 20.9") and shall weigh no more than 19 kg (42 lb).

The amplifier shall be the D80 by d&b audiotechnik GmbH.