The QSC SPA4-60 4-Channel Power Amplifier (60W) is an efficient Class-D amplifier designed for smaller installations, including meeting rooms, background music systems, and multi-zone audio applications. Its ENERGY STAR-qualified design helps reduce energy consumption while delivering reliable audio performance.
Convection cooling enables quiet operation without requiring a fan.
An automatic ramp circuit provides quiet, fast power-up when an audio signal is detected and seamless power-down after 25 minutes of inactivity, helping conserve energy.
Euroblock connectors provide convenient connections for audio inputs, speaker outputs, and remote control inputs.
Each channel delivers up to 60W into 4- or 8-ohm loads. Bridged operation supports up to 100W continuous output into 4 or 8 ohms, or 125W into 70V/100V systems.
QSC SPA4-60 4-Channel Power Amplifier Features
- Four amplifier channels delivering up to 60W per channel into 4- and 8-ohm loads
- ENERGY STAR-qualified Class-D design for efficient operation and reduced energy consumption
- Bridged output options delivering up to 100W into 4/8 ohms or 125W into 70V/100V systems
- Compact, rack-mountable 1 RU, half-rack-width enclosure with included mounting hardware and joining brackets for flexible installation
- Convection cooling for quiet operation
- Automatic standby and signal-detection power-up to help reduce energy use

QSC Certified Expertise
Knowledgeable Support for QSC Products
HDTV Supply has QSC Level 1 certified expertise. Our team has completed QSC Level 1 Training, demonstrating foundational knowledge of the QSC platform, including system design, hardware and software, programming, and troubleshooting.
This training helps us provide knowledgeable product guidance when customers are selecting and deploying Q-SYS solutions. When you purchase Q-SYS products from HDTV Supply, you are working with a team that understands the Q-SYS platform and can help you make informed product and system decisions.
Why Buy the QSC SPA4-60 from HDTV Supply?
Choose HDTV Supply for your QSC audio equipment needs. Our team can help you find products that fit your installation requirements.
Ask a Question About the QSC SPA4-60
Need help choosing or installing the QSC SPA4-60 4-Channel Power Amplifier? Contact our team for product assistance.
QSC SPA4-60 4-Channel Power Amplifier Specifications
| General | |
|---|---|
| Form Factor / Type | Tabletop; rack-mountable with included hardware |
| Number of Amplifier Channels | 4 |
| Load Impedance / Voltage Support | 4 / 8 ohms; 70 / 100V |
| Power Rating per Channel | 4 × 60W |
| Channel Bridging and Power Sharing | 2 × 100W RMS bridged at 4/8 ohms; 2 × 125W RMS bridged at 70/100V |
| Amplifier Class | Class-D |
| Performance | |
| Frequency Response | 20 Hz to 20 kHz, ±0.1 dB (4 / 8 ohms) |
| Signal-to-Noise Ratio | Greater than 100 dB |
| Signal Processing | |
| DSP | No |
| Audio Delay | No |
| EQ and Filters | High-pass filter |
| Dynamics Processing | No |
| Connectivity | |
| Analog Audio I/O | 1 × 10-pin block line input; 2 × 4-pin block speaker outputs |
| Digital Audio I/O | None |
| Network I/O | None |
| Other I/O | 1 × 10-pin block remote input |
| USB I/O | None |
| Phantom Power | No |
| Wireless | No |
| Power | |
| Input Power | 100–240 VAC, 50 / 60 Hz |
| AC Power Connector | 1 × IEC 15 A / NEMA 5-15 |
| Physical | |
| Display | Single-LED indicators only |
| Rackmount Size | 1 RU, half-rack width, with included hardware |
| Cooling | Convection |
| Certifications | CE, ENERGY STAR, FCC, RoHS, UL, WEEE |
| Dimensions | 9.5 × 8.7 × 1.8 in / 241.3 × 221 × 45.7 mm |
| Weight | 3.5 lb / 1.59 kg |
| Packaging Information | |
| Package Weight | 7.2 lb |
| Box Dimensions (L × W × H) | 15.4 × 11.5 × 3.4 in |
QSC SPA4-60 User Manual
Q/A
Q1: What is the QSC SPA4-60?
The QSC SPA4-60 is a four-channel Class-D power amplifier designed for commercial audio installations, including meeting rooms and background music zones.
Q2: How much power does each channel provide?
Each channel delivers up to 60W into 4- or 8-ohm loads.
Q3: Can the SPA4-60 operate in bridged mode?
Yes. Bridged output supports up to 100W RMS into 4- or 8-ohm loads, or up to 125W RMS for 70V/100V applications, according to the supplied specifications.
Q4: What speaker systems can it support?
It supports 4- and 8-ohm low-impedance loads as well as 70V and 100V distributed audio systems.
Q5: Is the QSC SPA4-60 energy efficient?
Yes. Its Class-D design is ENERGY STAR qualified and is intended to reduce energy consumption during operation.
Q6: Does the amplifier have a cooling fan?
No fan is listed in the supplied specifications. The amplifier uses convection cooling for quiet operation.
Q7: Does it automatically enter standby?
Yes. The supplied product information describes power-down after 25 minutes of inactivity and automatic ramp-up when a signal is detected.
Q8: What connections does the SPA4-60 provide?
It provides a 10-pin block line input, two 4-pin block speaker outputs, and a 10-pin block remote input.
Q9: Can the SPA4-60 be rack-mounted?
Yes. It has a compact 1 RU, half-rack-width design and includes rack-mounting hardware.
Q10: Is DSP built into this amplifier?
No. The supplied specifications list no DSP, audio delay, or dynamics processing. A high-pass filter is listed.
Q11: Is the QSC SPA4-60 suitable for meeting rooms?
Yes. Its four channels, compact size, quiet convection cooling, and efficient operation make it a candidate for meeting rooms and other small commercial audio installations.
Q12: Can I use the SPA4-60 for background music?
Yes. It is designed for applications such as background music zones and supports both low-impedance speakers and 70V/100V distributed audio systems.
Q13: What power supply does the SPA4-60 require?
The supplied specifications list 100–240 VAC at 50/60 Hz, with an IEC 15 A / NEMA 5-15 AC power connector.
Q14: What are the dimensions and weight of the SPA4-60?
The amplifier measures 9.5 × 8.7 × 1.8 inches (241.3 × 221 × 45.7 mm) and weighs 3.5 lb (1.59 kg).
Q15: Where can I get assistance selecting the QSC SPA4-60?
Contact HDTV Supply customer service for help reviewing the amplifier's specifications and determining whether it suits your installation requirements.
Warranty Information
Warranty coverage can vary by product and purchase terms. Please contact HDTV Supply or QSC to confirm the applicable warranty for the QSC SPA4-60 before purchase.
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