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Q-SYS MPA-Q 4x500 Network Amplifier With 4 Channels

Q-SYS MPA-Q 4x500 Network Amplifier With 4 Channels

SoundPro Item: 204394 | Part Number: MPA-Q 4X500

Pricing available upon request

Pricing available upon request

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  • Direct-Drive 70V, 100V, And Lo-Z On All Channels
  • Dual Gigabit Ethernet Supports Redundant Network Audio
  • Analog Fallback Maintains Audio During Network Issues
  • Analog Mode Enables Basic Local Amplifier Operation
  • Four GPI Inputs And Two Relays Aid System Control
  • 2RU Chassis Fits Rack Or Surface-Mount Installations
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The Q-SYS MPA-Q 4x500 is a four-channel network amplifier built for installed audio systems that need centralized control, flexible loudspeaker support, and dependable operation. As part of the Q-SYS amplifier platform, it extends native system integration into hospitality, entertainment, retail, and government environments where distributed audio and managed signal routing are critical. All four channels support direct-drive Lo-Z, Hi-Z, 70V, and 100V operation without requiring manual switching or bridged configuration changes, helping simplify deployment across mixed-zone designs.

For integrators and operators working in networked AV environments, the MPA-Q 4x500 combines audio transport, amplifier control, and onboard processing in a 2RU full-rack chassis. Dual Gigabit Ethernet ports support redundant networked audio, while standalone operation allows the amplifier to switch to available analog inputs if network connectivity is lost. Analog Mode can bypass networked audio entirely, creating a fully analog amplifier with basic channel setup available from the front panel display. If PoE is available on LAN A, the unit also supports quick audio recovery after a power interruption.

Additional control integration includes four GPI inputs and two NO/NC output relays, making the amplifier suitable for larger room control and paging workflows. Included rack ears support standard rack installation or chassis-supported surface mounting, and the bundled Euroblock connectors help streamline field wiring for installed sound projects.

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Specifications

Audio Performance
Freq response @ 20Hz-20kHz, 8Ω
+0.2 dB / -0.7 dB
Output THD+N @1kHz
0.01%-0.03% typical; 1% max
SNR @ 20Hz-20kHz, 8Ω, A-weighted
>112 dB
Gain @+4dBu input
34 dB
Damping factor
>160
Input dynamic range (unweighted)
>108 dB
Input impedence (balanced & unbalanced) @ 1kHz
>11k balanced and >5.5k unbalanced
Sample rate
48 kHz
DSP
DSP Processing
Gain, Polarity, IIR Filters (HPF, Parametric, Shelf, Array Correction), FIR Filters (1024 taps per channel), Delay (up to 2020 milliseconds per channel), Limiters (narrow-band, RMS, and peak limiters)
Output Power
All channels driven A, B, C, D
300 W
70 V
300 W
8 Ω
300 W
4 Ω
300 W
2 Ω
300 W
Single channel driven A or B or C or D
300 W
2 channels bridged A+B or C+D
600 W
70 V
600 W
8 Ω
600 W
4 Ω
600 W
2 Ω
Not supported
Environmental
Operating temperature range
32° to 104° F (0° - 40° C)
Storage temperature range
-4° to 158° F (-20° to +70° C)
Humidity range
5% - 85% RH
Connections
Audio I/O connections
Output: 4x channels (Euro 7.62 mm) Input: 4x channels (Euro 3.5 mm)
Networking
2x 1 Gbps Ethernet ports LAN A optionally accepts PoE (802.3af Type 1) for quick time-to-audio following a power interruption
GPI
0-3.3V DC Closure
Power And Physical
AC power input
100-240 V, 50/60 Hz, 4.6-2.5 A
Product dimensions (L x W x H)
15.0 x 19.0 x 3.5 in (381 x 483 x 89 mm)
Product weight
20.7 lbs (9.4 kg)
Mounting options
Front rack ears come installed for rack mount installation (rack ears can also be used for chassis-supported surface-mounting)
Included accessories
1x AC mains power cord (country specific) Removable rack ears for rack- or surface-mounting 4-position 7.62mm pitch Euroblock connectors (Qty 4) 3-position 3.5mm pitch Euroblock connectors (Qty 8) 12-position (2-row) 3.5mm pitch Euroblock connector (Qty 1)

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