The DSPPA MP2500 is a 650W PA power amplifier in a 2U rack chassis, with 70V, 100V and 4-16Ω outputs and an isolating transformer. It suits large systems in mosques, factories and schools, taking its signal from a mixer, preamp or audio matrix.
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The DSPPA MP2500 is a 650W power amplifier: pure amplification, with no mixer and no mic inputs. Its job is to take a finished signal from a mixer, preamp or audio matrix and drive it hard into long 70V or 100V speaker lines. That makes it a building block for large systems such as a Friday mosque with outdoor horns, a factory floor or a multi-building school campus.
DSPPA MP2500 specifications
DSPPA designed it for commercial and industrial public address in a 2U rack chassis. From the official product page and datasheet:
- Rated power 650W; power consumption 700W.
- Outputs: 70V, 100V and 4-16Ω.
- S/N ratio above 80dB; THD below 0.3% into 4Ω at 1kHz.
- Frequency response 50Hz-15kHz (±3dB).
- Input sensitivity 0dBu; damping factor 200:1.
Why a separate power amplifier?
In a large building, one mixer amplifier often runs out of power, or you want each area on its own amplifier so a single fault does not silence the whole site. The usual layout is a mixer or preamp that gathers mics and sources, then one power amplifier per speaker line. The MP2500's link outputs pass the same signal on to a second and third amplifier.
Inputs and link outputs
The rear panel has a balanced XLR input and a 6.35 mm jack input, with matching XLR and jack link outputs. A balanced connection keeps noise down on long signal runs between a control room and the rack, helped by an input CMRR above 90dB. A front-panel volume knob works as the input attenuator.
Status LEDs and protection
Five front LEDs show power, signal, clip, protect and temperature. If the clip LED lights, back off the input level so distorted audio does not reach the speakers. The protect LED points to a DC fault or a shorted output. Built-in protection covers overheating, overload, clipping and short circuits, and the design uses a cooling fan and an isolating transformer for operator safety.
MP2500 jobs in Saudi Arabia
- Friday mosques: an outdoor horn line for the adhan, with the indoor line on another amplifier.
- Factories and large warehouses: paging over horn speakers across wide floors.
- School and university campuses: one amplifier per building, fed from a central control room.
- Shopping complexes: splitting areas across several high-power amplifiers.
Installation
The unit measures 483 × 380 × 88 mm and runs on 220-240V, 50-60Hz. Keep the rear fan intake and front exhaust clear.
MP2500 or MP1000PIII?
The MP1000PIII is a 350W mixer amplifier with 3 mic inputs, 2 AUX inputs and bass and treble controls; it works on its own. The MP2500 offers 650W but has no mic inputs and no tone controls, only a single line input in XLR and jack form plus link outputs. Choose the MP1000PIII for a mid-size, single-box system, and the MP2500 when you need more power and will pair it with a mixer or a preamp such as the MP9811P.
Frequently Asked Questions
Can I plug a microphone straight into the MP2500?
No. It is a power amplifier with a 0dBu line input. Connect mics to a mixer or preamp and feed its output to the MP2500.
How much speaker load can it handle?
It is rated at 650W on 70V, 100V or 4-16Ω, so keep the total speaker tap wattage below 650W with headroom.
Can several amplifiers share one signal?
Yes. XLR and 6.35 mm link outputs pass the input signal on to another amplifier.
Specifications
- Model: MP2500
- Type: Power amplifier (no mixer), 2U rack chassis
- Rated power: 650W
- Rated output voltage: 70V / 100V / 4-16Ω
- Output terminals: COM, P1 (4-16Ω), 70V, 100V
- Inputs: Balanced XLR, 6.35 mm jack
- Link outputs: XLR, 6.35 mm jack
- Input sensitivity: 0dBu
- S/N ratio: >80dB
- Damping factor: 200:1
- Input CMRR: >90dB
- THD (4Ω, 1kHz): <0.3%
- Frequency response: 50Hz-15kHz (±3dB)
- Slew rate: >15V/µs
- Indicators: Power, signal, clip, protect, temperature
- Protection: Overheat, overload, clip, short circuit
- Isolation: Isolated transformer
- Cooling: Cooling fan
- Controls: Power switch, volume (input attenuator)
- Power consumption: 700W
- Power requirement: AC 220-240V, 50-60Hz (rear 220V AC fuse)
- Unit size (L×W×H): 483 × 380 × 88 mm
Features
- 650W with 70V, 100V and 4-16Ω outputs: drive long horn and ceiling speaker lines on large sites.
- Balanced XLR and 6.35 mm inputs with link outputs: daisy-chain more amplifiers on the same signal.
- 5 status LEDs (power, signal, clip, protect, temp): check the amplifier's state at a glance.
- Protection against overheating, overload, clipping and short circuit with fan cooling: safe long-hour duty.
- S/N above 80dB and THD below 0.3%: clean speech and recitation.