DA650D Commercial Audio Amplifier 650W 70V/ 100V/ 4 Ohm Mixer - 4 Mic 2 Aux 1 Telephone Input

Quick Overview

Experience unparalleled audio performance with the Dayton Audio DA650D commercial amplifier. With a staggering 650-watt power output, this amplifier promises clear and high-quality sound, making it ideal for large spaces and commercial setups. Its commercial-grade build ensures durability, while the 70V constant voltage design offers efficient power distribution. From multiple connectivity options to Bluetooth streaming and an FM radio tuner, the DA650D is a versatile powerhouse designed for professionals. Its rackmount design ensures it integrates seamlessly into any professional audio setup.

Product Highlights

  • 70V Constant Voltage Design: Efficiently powers multiple speakers over extended distances.
  • 650-Watt power output delivers clear sound, perfect for large spaces and commercial applications.
  • Commercial-grade build offers superior durability and consistency for continuous usage.
  • Four terminal block microphone/line level inputs and 2 RCA auxiliary inputs.
  • Stream music from various sources and curate company-specific playlists or tune into your favorite radio stations for a diverse audio experience.
  • EMC & Mute Triggers allows control over sound output for announcements or security alarms.
  • Rackmount design fits seamlessly into standard equipment racks for professional convenience.

Product Manuals / Spec Sheets / Downloads

Dayton Audio DA650D User Manual

Buying Options


Dayton Audio DA650D 70V 650W Rackmount PA Mixer-Amplifier

The DA650D is a 70V, constant voltage commercial amplifier that can power multiple speakers over extended distances efficiently without the obstacles of impedance loading. This makes it an excellent choice for large venues or multi-room audio systems, where maintaining consistency in sound quality across vast expanses is key. For maximum compatibility, the DA650D can also support systems with a minimum impedance of 4 Ohms.

650-Watt Power Output

The Dayton Audio DA650D stands out with its impressive 650-watt power output. This ensures that even in expansive spaces, the sound remains clear and of high quality. It's especially beneficial for distributed audio systems or commercial venues where a robust audio signal is crucial.

Multiple Connectivity Options

Flexibility is at the core of the DA650D. With four terminal block microphone inputs that can switch to line level and 2 RCA auxiliary inputs, it caters to a diverse range of audio setups. This versatility is invaluable for professionals who often need to adapt to varying audio requirements.

FM, Bluetooth, USB & SD Card Reader

Despite its robust nature, the DA650D doesn't compromise on modern features. It offers Bluetooth streaming capabilities and comes equipped with both USB and SD card readers. This ensures you can play audio from multiple sources, tailoring playlists to match your company's ambiance.

The inclusion of an FM radio tuner adds a touch of versatility to the DA650D. Whether you want background music or to tune into a popular radio show, this feature ensures you have a variety of audio options at your fingertips.

Commercial Grade Rackmount Design

Constructed with commercial-grade materials, the DA650D promises durability and consistent performance. It's designed to withstand the demands of continuous operation, ensuring longevity and making it a valuable addition to any commercial audio setup. The DA650D's rackmount design ensures easy integration into standard equipment racks. This not only ensures a seamless fit into existing setups but also signifies its capability to handle the demands of a professional environment.

Maintain the perfect audio environment with the DA650D's EMC and mute triggers. These features allow you to mute other outputs for announcements or in case of security alarms, ensuring the audio setup aligns with the venue's requirements.


  • Power Output: 1300W @ 4ohms, 650W @ 8ohm
  • Inputs: 7 (4 Euroblock, 2 Stereo RCA, 1 Digital interface with USB, SD, BT, and FM)
  • Output: 1x Barrier Strip for 70V/4ohm load
  • Dimensions: 19 x 12.5 x 1.75
  • Weight: 10.58 lbs
Model Number DA650D
Color Black
Unit of Measure Each
UPC 848791009600
Warranty - Parts 5 Years
Warranty - Labor 5 Years
Product Shipping Weight (lbs.) 10.58
Product Height 1.75"
Product Width 19"
Product Length --
Product Depth 12.5"
Amplifier Type Rackmount PA Mixer-Amplifier
Power Output 1300 @ 4 ohm, 650 @ 8 ohm
Power Output (RMS @ 70V) Range --
Output Channels 1
Output Connectors Barrier Strip
Output Types 70V & 4 Ohm
Inputs 7
Input Connectors RCA, Euroblock
Signal-to-Noise Ratio Mic Input: 71 dB, AUX Input: 86.8 dB
THD @ Rated Power Power Amp Output: <=0.2%, Line Output: <0.02%
Parametric EQ --
Phase Adjustment --
Low-pass Crossover --
Low Pass Adjustment --
Dynamic Range --
Frequency Response 4/8 Ohm Output: 30 - 18,000 Hz +/- 1.5dB, 70V/100V Outputs: 80 - 18,000 Hz +/- 3dB
Efficiency --
Gain --
Bass Boost --
Voltage Requirement 110-240 V, 50-60 Hz
Auto-on Sensitivity --
Stand-by Power Rating --
Special Features --