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QSC MPA-Q 4x250: 4-Channel 250 W per Channel Network Power Amplifier
Model MPA-Q 4x250
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Availability: In Stock
- Four channels at 250 W each, 70 V, 100 V, 4 ohm and 8 ohm direct drive
- Four analog line inputs routable into Q-SYS or direct to the outputs
- Two gigabit ports for redundant network audio; optional PoE for quick restart
- Analog mode and automatic switch to analog if the network fails
Product Overview
Overview
The Q-SYS MPA-Q 4x250 is a 2RU network power amplifier with 4 output channels at 250 W each, and a DSP on every channel. A mid-power tier for rooms where the big CX-Q amplifiers are more than needed: four channels of 250 W each that can drive 4 ohm, 8 ohm, 70 V or 100 V without bridging or switches. If the network drops it can switch to its analog inputs, and if the mains returns after an outage and PoE is present, audio is back within seconds.
Corporate AV supplies, installs and supports Q-SYS systems from QSC across India. Request a quote for the MPA-Q 4x250 with supply, installation and commissioning.
Key features
- Four channels at 250 W each, 70 V, 100 V, 4 ohm and 8 ohm direct drive
- Four analog line inputs routable into Q-SYS or direct to the outputs
- Two gigabit ports for redundant network audio; optional PoE for quick restart
- Analog mode and automatic switch to analog if the network fails
- 4 GPI inputs and 2 relay outputs, 9.0 kg
Typical applications
- Hotel function rooms and restaurants
- Retail zones and entertainment spaces
- Mid-size corporate and government rooms
Why choose the MPA-Q 4x250
it is a 4-channel network power amplifier from QSC, it is a mid-power, 4-channel Q-SYS amplifier that keeps audio running through network or power faults.
Product Highlights
Key Benefits
Four channels at 250 W each, 70 V, 100 V, 4 ohm and 8 ohm direct drive
Four analog line inputs routable into Q-SYS or direct to the outputs
Two gigabit ports for redundant network audio; optional PoE for quick restart
Analog mode and automatic switch to analog if the network fails
4 GPI inputs and 2 relay outputs, 9.0 kg
Use Cases
Ideal Applications
Hotel function rooms and restaurants
Retail zones and entertainment spaces
Mid-size corporate and government rooms
Technical Details
Technical Specifications
Output power
Channels
4 x 250 W, with Lo-Z, 70 V and 100 V direct drive on every channel
All channels driven
250 W maximum (20 ms burst), 150 W continuous
Single channel driven
500 W maximum, 150 W continuous
Two channels bridged
500 W maximum, 300 W continuous (not supported at 2 ohm)
Audio performance
Frequency response
20 Hz - 20 kHz, +0.2 / -0.7 dB (8 ohm)
Output THD+N at 1 kHz
0.01-0.03% typical; 1% maximum
Signal-to-noise ratio
> 112 dB, A-weighted
Gain
31 dB at +4 dBu input
Damping factor
> 160
Analog inputs
4 line-level, input dynamic range > 108 dB, 48 kHz
DSP per channel
Gain, polarity, IIR filters, FIR filters (1024 taps), delay up to 2,020 ms, limiters
Connections and physical
Network
2 x 1 Gbps Ethernet; LAN A accepts 802.3af PoE for quick restart after a power cut
Control
4 GPI inputs (0-3.3 V closure) and 2 NO/NC output relays
Mains input
100-240 V, 50/60 Hz, 2.8-1.8 A
Dimensions (L x W x H)
381 x 483 x 89 mm (2RU)
Net weight
9.0 kg
Operating temperature
0 to 40 C
Documents & Downloads
Datasheet
Q-SYS MPA-Q 4x250 Data SheetOfficial Biamp data sheet for the MPA-Q 4x250. The PDF may also cover other models in the same range.
User Manual
Q-SYS MPA-Q 4x250 ManualOfficial Biamp manual for the MPA-Q 4x250. The PDF may also cover other models in the same range.
CAD Drawing
Q-SYS MPA-Q 4x250 DrawingsOfficial Biamp drawings for the MPA-Q 4x250. The PDF may also cover other models in the same range.
Why CorporateAV?
Sourced right. Installed right.
Genuine Manufacturer Stock
Every unit sourced through authorized distribution, backed by manufacturer warranty.
Expert AV Integration
Paired correctly with compatible systems and your room's existing AV infrastructure.
Pan-India Delivery & Support
On-site installation and ongoing technical support wherever your project is based.
More Details
Additional Information
Why Buy The MPA-Q 4x250 From Corporate AV?
- Genuine QSC stock with manufacturer warranty support
- Custom pricing for bulk and multi-room / multi-site rollouts
- Local after-sales support — a real team you can call or WhatsApp, not a call centre
- Expert guidance on product selection and deployment planning
- Professional installation across Bangalore, Hyderabad, Mumbai, Delhi NCR, and the wider India region
Distribution
Corporate AV supplies and installs QSC products across Bangalore, Hyderabad, Mumbai, Delhi NCR, Chennai, Pune, Kolkata, Ahmedabad, and the wider India region.
Frequently Asked Questions
What is the Q-SYS MPA-Q 4x250?
The Q-SYS MPA-Q 4x250 is a 2RU network power amplifier with 4 output channels at 250 W each, and a DSP on every channel. A mid-power tier for rooms where the big CX-Q amplifiers are more than needed: four channels of 250 W each that can drive 4 ohm, 8 ohm, 70 V or 100 V without bridging or switches. If the network drops it can switch to its analog inputs, and if the mains returns after an outage and PoE is present, audio is back within seconds.
How much continuous power does each channel give?
With all four channels driven Q-SYS lists 250 W as the maximum burst and 150 W continuous per channel. Driving one channel it reaches 500 W maximum.
What happens if the network fails?
In standalone mode the amplifier can automatically switch each channel to an available analog input so that sound continues, and an analog mode turns it into a conventional analog amplifier.
How is it different from the MPA-Q 4x500?
The 4x250 has half the power per channel (250 W against 500 W), 31 dB gain against 34 dB, and weighs 9.0 kg against 9.4 kg.
What DSP is built in?
Gain, polarity, IIR filters including array correction, 1,024-tap FIR filters, up to 2,020 ms of delay and limiters on each channel.
How is it mounted?
A 2RU, full-rack-width unit with rack ears fitted, or chassis-supported surface mounting, 381 x 483 x 89 mm.
Can Corporate AV supply and install the Q-SYS MPA-Q 4x250 in India, and how do I get a quote?
Yes. Corporate AV supplies, installs and supports Q-SYS and QSC systems across India, with a site survey, commissioning and after-sales support. Use the Request a Quote button on this page or message us on WhatsApp.
