500W Subwoofer Plate Amplifier Custom Design OEM Class-D Plate Amplifier for PA DJ Subwoofer Cabinets
Brief Introduction of the plate amplifier
VISTRON AUDIO DSA Series Class D subwoofer power amplifiers are equipped with the unique ability to operate continuously at full rated output—a performance attribute not shared by most home audio amp designs. The benefits of this remarkable reserve capacity include solid, punchy dynamic range and fewer "nuisance" shutdowns when operated at sustained high levels.
This subwoofer amplifier technology was developed to offer extreme amounts of power without the wasted heat and energy of traditional amplifier designs .A bass boost option enables the 12 dB/octave low-pass crossover, perfect for sealed enclosures and even certain vented box alignments.
The amplifiers are also extremely compact, lightweight, and cool-running, allowing users to enjoy the advantages of compact system form factors and flexibility of placement. An internal peak limiting circuit prevents amplifier overload, and protection against internal and external faults is also provided. Input power requirements are user configurable to either 110 VAC or 230 VAC line voltage.
Room optimization and system integration are accomplished easily, thanks to the DSA Series amps' inclusion of fully variable level, crossover frequency, and phase controls. Signal input is connected via dual RCA-type jacks, including the means to accept the output of an A/V receiver's LFE output, and dual RCA jacks are also provided to facilitate line level loop-through. When in standby mode, the subwoofer plate amplifier full active operation is engaged by signal presence of less than 0.5 watt.
Features of the Subwoofer plate amplifier:
* DSA series subwoofer plate amplifier
* Different product range of different power output, 250W, 350W and 500W.
* Class D amplifier design
* Digital technology , Regional Module Design
* Switching power supply provides excellent efficiency
* Switchable 110/230V input voltage
* Capable of sustained, continuous output without thermal shutdown
* The plate subwoofer amplifier Built-in limiter circuit protection prevents peak overloads
* Manual and automatic on/off mode options
* Low-level, high-level, and LFE inputs for flexible interconnection
* Large power with MCU signal processing ,good dynamic control, designed for home theater subwoofer
* Class D subwoofer amplifier with Variable gain control
* Variable 50Hz ~ 150Hz low pass filter
* Selectable 0° / 180° phase
* The monoblock amplifier with Aluminum panel
* Advanced soft clip circuitry improves headroom and protects woofers
* The subwoofer speaker with green 0.5-watt low standby power consumption
* RoHS compliant, lead-free construction, world-wide safety certifications
* OEM and ODM are welcome.
Technical Parameter:
Specifications of the 500W Subwoofer Plate Amplifier
| Model No | DSA-250 | DSA-350 | DSA-500 |
| OUTPUT POWER | 250W RMS@4Ω | 350W RMS@4Ω | 500W RMS@4Ω |
| STANDBY POWER | TOTAL<0.5W | TOTAL<0.5W | TOTAL<0.5W |
| TOTAL HARMONIC DISTORTION | <1% | <1% | <1% |
| LINE LEVEL INPUT SENSITIVITY | 150mV | 150mV | 150mV |
| BALANCED INPUT SENSITIVITY | 150mV | 150mV | 150mV |
| HIGH LEVEL INPUT SENSITIVITY | 2.5V | 2.5V | 2.5V |
| HIGH LEVEL OUTPUT SENSITIVITY | 2.5V | 2.5V | 2.5V |
| SIGNAL TO NOISE RATIO | >100dB | >100dB | >100dB |
| FREQUENCY RESPONES | 25Hz~160Hz | 15Hz~160Hz | 15Hz~160Hz |
| VARIABLE LOW-PASS CROSSOVER | 40Hz~160Hz(12dB/OCT) | 40Hz~160Hz(24dB/OCT) | 40Hz~160Hz(24dB/OCT) |
| BUILT-IN HI-PASS CROSSOVER | 20Hz(12dB/OCT) | 15Hz(12dB/OCT) | 15Hz(12dB/OCT) |
| BUILT-IN BASS BOSSTER | +4dB@36Hz | +5dB@25Hz | +5dB@25Hz |
| BUILT-IN PHASE | 0°/180° SWITCH | 0°/180° SWITCH | 0°/180° SWITCH |
| BUILT-IN AUTO POWER SWITCH | ON/AUTO | ON/AUTO | ON/AUTO |
| PROTECT | CLIPLIMIT,DC,SHORT CIRCUIT,OVER CURRENT, OVERHEAT | 110Vac/230Vac SWITCHABLE | 110Vac/230Vac SWITCHABLE |
| OPERATING VOLTAGE | 110Vac/230Vac SWITCHABLE | 110Vac/230Vac SWITCHABLE | 110Vac/230Vac SWITCHABLE |
| DIMENSION(W X H X L) | 252*200*98 mm | 252*200*98mm | 252*200*98 mm |
Pictures of the class OEM Class-D Plate Amplifier
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500W Plate Power Amplifier Class D Plate Amplifier For PA DJ Subwoofer Cabinets Images
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