Q-SYS SPA-Q 60×4 Four-Channel Network Amplifier

The Q-SYS SPA-Qf 60x4 network amplifier continues the Q-SYS Platform evolution of pairing centralized Core OS processing with expanding endpoint utility. With available GPIO for control, two flex channels (either mic/line inputs or line outputs), and 60 W per channel, the Q-SYS SPA-Qf 60x4 (four-channel) provides the utility to centralize your processor’s connectivity across more spaces, all within a trusted native Q-SYS network amplifier.



Model: SPA-Q 60x4

Rightsized Amplification: Four output channel models at 60 W per channel

Flex I/O: Two onboard software-definable flex channels (as mic/line inputs with 48V phantom power, or as line level outputs)

Bi-directional GPIO: Power/control microphone LEDs, sensors or buttons using four bi-directional GPIO pins

Compact Design: Half-rack, 1RU footprint and included hardware for multiple mounting options allows for flexible placement

Convection Cooled: Provides quiet, continuous performance


Specifications SPA-Qf 60×4
Amplifier Channels 4
Single Ended*
8 Ω 60 W
4 Ω 60 W
Bridge Tied Load
8 Ω 120 W
70 V rms 120 W
100 V rms 120 W
Frequency Response (4 & 8 Ω) 20 Hz – 20 kHz (+0.2/-.08 dB)
Voltage Peak Rating 75 Vpk
Current Peak Rating 12 Apk
Signal to Noise
(20 Hz – 20 kHz, A-Weighted)
>100 dB
Output Circuitry Class D
Voltage Gain (Lo-Z/70 V/100V) 25/29/32 dB (Vrms/FS)
High-Z setting (software setting) 70 V RMS or 100 V RMS
Low-Z operation range 2 – 16 Ω
GPIO 1 x 3.5 mm 6 position Euro (Black) 4x bi-direction pins, 1x Power Pin (3.3V, 100mA), 1x Ground Pin
Audio flex channel capacity 2
Audio flex channel assignments Each channel can be configured as a mic / line input or as a line output (configured through Q-SYS Designer Software)
Amplifier and load protection Short circuit, open circuit, over current, over voltage, thermal, RF, DC fault shutdown, active inrush limiting, on/off muting
AC Power Input Universal Power Supply 100 – 240 VAC + / -10%, 50 – 60 Hz with PFC

Operating Temperature Range @ 95% N.C. Humidity

32° – 122° F (0° – 50° C)

Storage Temperature

-4° – 158° F (-20° – 70° C)
Cooling Convection
Product Dimensions (HWD) 1.75 x 8.7 x 11.25 in (44 x 221 x 286 mm)
Agency Approvals (tentative) UL, CE, RoHS / WEEE compliant, FCC Class B (conducted and radiated emissions), CCC, NOM
Included Accessories Rack / wall mounting kit and power cord

*Power rating is after 100mS, all channels driven.

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