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Q-SYS DCA1622 2-Channel Cinema Power Amplifier Low Ohm

Q-SYS DCA1622 2-Channel Cinema Power Amplifier Low Ohm

SoundPro Item: 119383 | Part Number: DCA1622

Pricing available upon request

Pricing available upon request

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  • DataPort Interface Enables Direct Connection To DCP Cinema Processors And DCM Monitors
  • PowerLight Power Supply Delivers Extended Headroom For Cinema Low-Frequency Reproduction
  • Output Averaging Short Circuit Protection Guards Connected Speakers Without Signal Interruption
  • Active Inrush Limiting Prevents Circuit Breaker Trips At System Power-Up
  • Gain Control Security Cover Blocks Accidental Adjustment In Permanent Installations
  • Variable-Speed Fan With Rear-To-Front Airflow Maintains Thermal Stability In Dense Racks
  • Neutrik Speakon And Safety-Shrouded Barrier Strip Outputs Support Multiple Wiring Methods

The Q-SYS DCA1622 is built for cinema audio system integrators and installation engineers who need high-output, low-impedance amplification without 70V transformer infrastructure. Operating in Class AB and rated for continuous high-power duty, it addresses the specific thermal and protection demands of dedicated screening rooms and multi-auditorium installs where reliability is non-negotiable. The proprietary PowerLight power supply delivers the headroom needed for extended low-frequency reproduction, which is the defining performance factor in cinema subwoofer chains.

DataPort connectivity gives integrators direct communication with DCP Digital Cinema Processors and DCM Digital Cinema Monitors, reducing rack cabling and simplifying commissioning on day one. Input flexibility covers balanced XLR, quarter-inch TRS, and detachable terminal block connections per channel, while outputs accommodate Neutrik Speakon and safety-shrouded barrier strip wiring to match whatever speaker infrastructure is already in place. Rear panel DIP switches handle clip limiter, LF filter frequency, bridge mode, and input routing without requiring software access.

At 3.5 inches of rack height and 14 inches deep, the DCA1622 fits standard-depth racks and keeps footprint lean in high-channel-count rooms. Variable-speed rear-to-front fan cooling maintains safe operating temps in fully loaded racks without recirculating heat into adjacent gear. For teams that ship pre-wired rack systems, the lightweight construction removes the need to de-rack amplifiers before transit, keeping turnaround fast between installs.

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Specifications

Audio
Output Power (8 ohm, 20 Hz-20 kHz, 0.03% THD)
300 W per channel
Output Power (4 ohm, 20 Hz-20 kHz, 0.05% THD)
500 W per channel
EIA Output Power @ 8 ohm (1 kHz, 1% THD)
350 W per channel
EIA Output Power @ 4 ohm (1 kHz, 1% THD)
600 W per channel
EIA Output Power @ 2 ohm (1 kHz, 1% THD)
800 W per channel
Bridged Mono @ 16 ohm (20 Hz-20 kHz, 0.1% THD)
600 W
Bridged Mono @ 8 ohm (20 Hz-20 kHz, 0.1% THD)
1100 W
Bridged Mono @ 4 ohm (1 kHz, 1% THD)
1600 W
Signal to Noise Ratio (20 Hz-20 kHz, unweighted)
> 107 dB
Input Sensitivity (full rated power @ 8 ohm)
1.2 V rms / +3.9 dBu
Input Sensitivity (full rated power @ 4 ohm)
1.1 V rms / +3.2 dBu
Frequency Response (LF filter off)
20 Hz-20 kHz, +/- 0.2 dB; 8 Hz-50 kHz, +0/-3 dB
Distortion (SMPTE-IM)
< 0.01%
Distortion (THD, typical 20 Hz-20 kHz)
< 0.01% @ 8 ohm and 4 ohm
Damping Factor (1 kHz and below)
> 500
Voltage Gain @ 8 ohm
40x (32 dB)
Input Impedance
10 kohm unbalanced, 20 kohm balanced
Input Clipping
10 V rms (+22 dBu)
Output Circuitry Class
AB
Connectivity
Input Connectors (per channel)
1/4" TRS, 3-pin XLR, 3-pin detachable terminal block
Output Connectors (per channel)
Neutrik Speakon, safety-shrouded barrier strip, Monitor output
DataPort Connector
One HD15
Controls
Front Panel Controls
AC switch, Ch. 1 and Ch. 2 recessed gain knobs
Rear Panel DIP Switches
Clip Limiter on/off per channel, LF Filter on/off per channel, LF Filter Freq 30 or 50 Hz per channel, Inputs Parallel or Stereo, Bridge Mode
Indicators
LED Indicators (per channel)
CLIP/PROT (Red), LEVEL -10 dB (Green), LEVEL -20 dB (Green), SIGNAL -35 dB (Green), BRIDGED (Yellow), PARALLEL INPUTS (Yellow), POWER (Green)
Construction
Cooling
Variable-speed fan, rear-to-front airflow
Dimensions
Dimensions (H x W x D, inches)
3.5" x 19" x 14"
Dimensions (H x W x D, mm)
89 x 483 x 356
Weight
Net Weight
21 lbs (9.5 kg)

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