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Professional Amplifier 250W 2-Zone

DS series is Class D digital power amplifier, power efficiency up to 90%, power range covers 250W-1500W / 8Ω, support load impedance 8Ω-2Ω, support stereo, and bridge mode, each channel independent control, support wide gain choice 26-41dB.
1U size, compact, lightweight, stable structure, modular design, easy maintenance.
DS series is designed with PFC full bridge ultra-wideband switching power supply to meet the 90V-260VAC range of power, power conversion efficiency more than 90%, power output 10000W aboves, high reliability and cost-effective advantages, providing battery-level clean power for DS series.
Using many models of high-precision components, compact layout design, the product has a small size, light weight, to achieve a four-channel 2000W digital amplifier 1U design breakthrough, suitable for multi-scene use of mobile installation is particularly convenient and easy.
DS series uses a very high frequency carrier switching circuit to amplify the audio signal, with high efficiency, low distortion, low noise, large dynamic range and other advantages, in the transparency of sound quality, cold and warm degree, analytical power, quiet background, low frequency shock intensity is unmatched by traditional power amplifier
Suitable for stage, performance, bar, disco, ballroom, KTV (large), stadium tube and other high-quality high pressure level place sound reinforcement, large power reserve, frequency response as low as 30Hz, espe-cially suitable for driving high-power loudspeakers.
Adopting a non-polar variable speed circuit with low noise high speed fan, there is no fan noise at low temperature. Effectively reduce the noise of the on-site machine room.
High torque spring steel constant pressure design, power tube bonding and fastening thermal resistance is very low, high temperature, high humidity, high cold and harsh environment test pressure reed constant lasting effective, greatly improve the thermal conductivity of power tube.
Golden Shield protection circuit design, over temperature protection, DC protection, short circuit protec-tion, signal overload protection, equipment soft start protection, power supply over current protection, temperature and pressure limit protection, complete protection functions effectively improve the reliability of products.
Fine sound tuning, using unique magnetic shielding technology, and high quality capacitor tuning. The product has a delicate sound level, the bass submersion and strength have momentum and energy, the middle and high frequency clean and pure thick, the high frequency extension is good, the detailed smooth, the overall sound field positioning is accurate, and the analytical power is high.
The equipment has less heat, the operating temperature of the components is low, and the life and relia-bility will be significantly improved.
The volume and weight are only 1/3 of the analog power amplifier, and the substantial reduction of the volume and weight can save your transportation, handling and installation costs, and reduce the difficulty of moving and installing.

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DS-QAPAR25-2

Specification
Resources
Accessories

Basic Parameter
Frequency ResponseTypical values +0dB, -0.5dB (10% rated output power, 8Ω, 20Hz-20kHz)

Function
SwitchBridge mode, Connect mode, Stereo mode, gain selection, limiter switch

Audio
Rated Power8Ω/Stereo: 2×250W 4Ω/Stereo: 2×425W 2Ω/Stereo: 2×723W 16Ω/Bridge: 1×500W 8Ω/Bridge: 1×850W 4Ω/Bridge: 1×1445W
THD and SNRTypical value: 0.01% (10% rated output power, 1 kHz, 8Ω)
Input Impedance (Balanced)20kΩ (balanced), 10kΩ (non-balanced)
Maximum Input Level14V
SNR (A-Weighted)≥100dB(A-Weighted，20Hz-20kHz，8Ω)
Input Range0.80V/35dB 1.12V/32dB 1.59V/29dB 2.24V/26dB

Interface
AudioXLR four inputs, SPEAKON four outputs

General
Power90∽260VAC，50/60Hz
Dimension483x44x370mm (19x1.73x14.56inch)
Approx. 9 kg (19.84 lb.)

Basic Parameter

Frequency Response

Typical values +0dB, -0.5dB (10% rated output power, 8Ω, 20Hz-20kHz)

Function

Switch

Bridge mode, Connect mode, Stereo mode, gain selection, limiter switch

Audio

Rated Power

8Ω/Stereo: 2×250W 4Ω/Stereo: 2×425W 2Ω/Stereo: 2×723W 16Ω/Bridge: 1×500W 8Ω/Bridge: 1×850W 4Ω/Bridge: 1×1445W

THD and SNR

Typical value: 0.01% (10% rated output power, 1 kHz, 8Ω)

Input Impedance (Balanced)

20kΩ (balanced), 10kΩ (non-balanced)

Maximum Input Level

14V

SNR (A-Weighted)

≥100dB(A-Weighted，20Hz-20kHz，8Ω)

Input Range

0.80V/35dB 1.12V/32dB 1.59V/29dB 2.24V/26dB

Interface

Audio

XLR four inputs, SPEAKON four outputs

General

Power

90∽260VAC，50/60Hz

Dimension

483x44x370mm (19x1.73x14.56inch)

Approx. 9 kg (19.84 lb.)

Basic Parameter

Basic Parameter

Function

Function

Audio

Audio
Audio
Audio
Audio
Audio
Audio

Interface

Interface

General

General
General
General

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DS-QAPAR25-2

Professional Amplifier 250W 2-Zone

Specification

Basic Parameter

Function

Audio

Interface

General

Specification

Resources

Get a better browsing experience