HQ 4600 Amplifier

4600 Watt Power Amplifier

Key Features

  • DA VINCI Audio renowned Regulated SMPS power supply unit.
  • High efficiency Class I™ power modules.
  • Highly sensitive CMRR balanced inputs for improved noise rejection.
  • Top electronic elements for a superior sonic quality.
  • Maximum stability even at continuous full-power on 2Ω loads.
  • XLR input and signal link connectors.
  • Neutrik SpeakON NL4 and binding post output connectors.
  • Input sensitivity selector on the back panel (32dB / 1v / 0.775v).
  • Routing mode selector on the back panel (stereo / bridgeparallel).
  • Mains circuit-breaker on the back panel.
  • Channel independent temperature, protection and clip warning indicators on the front panel.
  • Channel independent power and -5dB/-10dB/-20dB/signal presence indicators on the front panel.
  • Parallel and bridge indicator on the back panel.

The HQ series of power amplifiers represents DA VINCI Audio flagship series on the 2-channel SMPS power amplifier range.

Featuring the most advanced technologies on audio power amplification developed by DA VINCI Audio Research and Development laboratories during more than 15 years, the HQ amplifiers are able to deliver an enormous power density (5200W per channel @ 2Ω with the highest power HQ7200) with an unprecedented sonic quality from a very lightweight 2 rack-unit amplifier. This great performance and extreme efficiency, achieved through its advanced Regulated SMPS power supply and DA VINCI Audio patented Class I™ power modules, turns the HQ amplifier series in the industry standard for worldclass pro-touring sound reinforcement applications.


Output power (AC 220v / 50Hz. ±10%, All channels driven output power, THD=1%)
8Ω Stereo*   1300Wx2
4Ω Stereo**   2300Wx2
2Ω Stereo**   2800Wx2
8Ω Bridge**   4600W
4Ω Bridge**   5600W

Other specification
Frequency response   20Hz - 20kHz,+/-1.5dB
THD+N   ≤ 0.02%
S/N Rate   ≥ 95dB
Damping factor   ≥ 280
Input sensitivity   0.775v / 1v / 32dB
Input impedance (bal/unbal)   20kΩ / 10kΩ
Voltage gain   42.4dB
Cooling   Air flow from front to rear

Dimension / Weight
Product dimensions (mm)   483 x 450.5 x 89
Product Weight (kg)   15.1