Innovative Dynacord technology, exemplary flexibility, very high output with an extremely good efficiency and integration into IRIS‑Net networks.

SKU: DSA-8405 Categories: , Tags: ,

In this 1000W POWER AMPLIFIER , each channel can be switched individually to provide 500 W at either 2 Ohms, 4 Ohms or to drive 70 Vrms or 100 Vrms loudspeaker lines directly without an output transformer. In combination with the RCM‑810 module the user can configure these amplifiers under IRIS‑Net using the Variable Load Drive (VLD) to provide any output power in the range of 100 W to 500 W per channel (1 W increments) at any load in the range of 2 Ohms ‑ 10 Ohms (0,1 Ohms increments).

The audio quality fullfills all requirements of demanding ProSound applications. The Phoenix input connectors are electronically balanced. Phoenix connectors are also provided for the power outputs.

The POWER REMOTE connector makes the task of remote controlling the power amplifier as well as switching it on and off simple. For further remote‑supervision and “control possibilities and integration into IRIS‑Net networks, an optional remote control module (RCM‑810) is available.


  • 4 x 500 W into LZ and HZ (70 V / 100 V)
  • Variable Load Drive (VLD)
  • Optimized for 24/7
  • High efficient Class D design
  • Remote Control with optional Control Module (RCM-810)


Additional information

Weight 11.1 kg
Dimensions 48.3 × 42 × 8.8 cm
Operating temperature

+5° to +40° C

Electromagnetical environment

E1, E2, E3


Front-to-Rear, temperature controlled fans


Audio Limiters, High Temperature, DC, HF, Short Circuit, Peak Current Limiters, Inrush Current Limiters, Turn-on Delay, Mains Circuit Breaker Protection, Mains Over/Undervoltage Protection

Power consumption 1/8 maximum output power

490 W

Power requirements

220-240 V, 50-60 Hz or 120 V, 50-60 Hz or 100 V, 50-60 Hz

Output stage topology

Class D

Slew rate

28 V/μs

Damping factor, 1 kHz, 8 Ω

> 240

Input impedance, active balanced

20 kΩ

Frequency response, ref. 1 kHz, 8 Ω load

15-30000 Hz (±1 dB)

Crosstalk, ref. 1 kHz, at rated output power

< -80 dB

Maximum input level

+22 dBu (9.76 Vrms)

Voltage gain, ref. 1 kHz (Low Impedance Mode/ High impedance Mode)

32 dB / 36 dB

Power Bandwidth, THD = 1%, ref. 1 kHz, half power at rated load (Low Impedance Mode)

10-25000 Hz

Power Bandwidth, THD = 1%, ref. 1 kHz, half power at rated load (High Impedance Mode)

50-25000 Hz


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