Description
The Hikvision DS-QAPAR50-2 is a high-performance 2-channel Class D professional power amplifier designed to deliver powerful, clear, and reliable audio amplification for professional sound reinforcement systems.
Delivering 2 × 500W at 8Ω, this amplifier provides exceptional audio output for conference halls, auditoriums, theaters, hotels, event venues, entertainment facilities, and commercial sound installations.
Powered by advanced Class D amplification technology, the DS-QAPAR50-2 offers high energy efficiency of up to 90%, low distortion, and reliable operation in demanding professional audio environments.
The amplifier supports Stereo, Bridge, and Connect operating modes, providing flexibility for different speaker configurations and installation requirements.
In Stereo mode, it delivers 2 × 765W at 4Ω and approximately 2 × 1300W at 2Ω, while Bridge mode provides up to 1530W at 8Ω and approximately 2600W at 4Ω for compatible speaker systems.
With a wide 20Hz–20kHz frequency response, low total harmonic distortion of approximately 0.01%, and a signal-to-noise ratio of at least 105dB, the amplifier delivers clean, detailed audio reproduction.
Professional XLR audio inputs and SPEAKON speaker outputs allow convenient integration with professional audio equipment.
The amplifier also features adjustable input sensitivity, selectable gain settings, a limiter function, and multiple protection mechanisms against overheating, short circuits, overloads, and electrical faults.
Its compact 1U rack-mountable chassis, wide-range 90–260V AC power supply, and durable construction make it an excellent choice for permanent installations and professional audio systems.
Key Features
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Professional 2-Channel Class D Power Amplifier
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2 × 500W output at 8Ω
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2 × 765W output at 4Ω
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2 × 1300W output at 2Ω
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Supports Stereo / Bridge / Connect modes
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Bridge output up to 1530W at 8Ω
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Bridge output up to 2600W at 4Ω
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High-efficiency Class D amplification, up to 90%
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Wide frequency response: 20Hz–20kHz
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Low harmonic distortion: 0.01% typical
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High signal-to-noise ratio: ≥105dB
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Professional balanced XLR audio connectivity
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SPEAKON speaker output connectors
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Adjustable input sensitivity
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Selectable gain settings
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Built-in limiter function
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Over-temperature protection
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Short-circuit protection
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DC protection
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Signal overload protection
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Soft-start protection
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Power supply overcurrent protection
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Compact 1U rack-mountable design
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Wide-range 90–260V AC power supply
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Suitable for professional low-impedance loudspeakers
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Ideal for theaters, auditoriums, event venues, and commercial audio installations
Technical Specifications
| Specification |
Details |
| Product Type |
Professional Power Amplifier |
| Amplifier Technology |
Class D |
| Number of Channels |
2 |
| Rated Output @ 8Ω Stereo |
2 × 500W |
| Rated Output @ 4Ω Stereo |
2 × 765W |
| Rated Output @ 2Ω Stereo |
2 × 1301W |
| Rated Output @ 16Ω Bridge |
1 × 900W |
| Rated Output @ 8Ω Bridge |
1 × 1530W |
| Rated Output @ 4Ω Bridge |
1 × 2601W |
| Frequency Response |
20Hz–20kHz (+0/-0.5dB typical) |
| Total Harmonic Distortion |
0.01% typical |
| Signal-to-Noise Ratio |
≥105dB (A-weighted) |
| Balanced Input Impedance |
20kΩ |
| Unbalanced Input Impedance |
10kΩ |
| Maximum Input Level |
14V |
| Input Sensitivity |
1.07V / 1.51V / 2.13V / 3.01V |
| Gain Settings |
35dB / 32dB / 29dB / 26dB |
| Audio Inputs |
4 × XLR Connectors |
| Speaker Outputs |
SPEAKON Connectors |
| Operating Modes |
Stereo / Bridge / Connect |
| Limiter |
Selectable |
| Protection |
Over-Temperature / DC / Short-Circuit / Overload / Soft Start / Overcurrent |
| Power Supply |
90–260V AC, 50/60Hz |
| Dimensions (W × H × D) |
483 × 44 × 370mm |
| Rack Height |
1U |
| Weight |
Approx. 9kg
|
| Model |
DS-QAPAR50-2 |
Why Choose Hikvision DS-QAPAR50-2?
The DS-QAPAR50-2 combines high output power, advanced Class D amplification, and professional connectivity to deliver reliable performance for demanding audio applications.
Its 2 × 500W output at 8Ω provides powerful amplification for compatible professional loudspeakers, while support for 4Ω and 2Ω loads offers additional flexibility.
With Stereo and Bridge modes, the amplifier can be configured for different sound reinforcement requirements, including high-power speaker applications.
Its low distortion, ≥105dB signal-to-noise ratio, and professional XLR/SPEAKON connections help ensure clean audio reproduction and reliable integration with professional audio systems.
The compact 1U design, multiple protection functions, and wide-range power supply make it suitable for theaters, hotels, auditoriums, conference facilities, and commercial sound systems throughout Jordan.
