QSC SPA4-100 4-Channel Power Amplifier (100W)

Used Cat #3405369 • MFR #SPA4-100
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QSC SPA4-100 4-Channel Power Amplifier (100W)
This image is for illustrative purposes only
Key Features
  • Energy Star Qualified
  • Class-D Topology
  • 4 and 8 Ohms + 70/100V Operation
  • Bridgeable Outputs for Higher Power
The highly flexible QSC SPA4-100 4-Channel Power Amplifier is an advanced Class-D amplifier with Energy Star rated efficiency well suited for smaller installations including meeting rooms or BGM zones. The convection cooled amplifier is designed to conserve energy. An auto-ramp circuit ensures quiet and fast power up from standby when a signal is present and seamless power-down following 25 minutes of inactivity, dramatically reducing power consumption.
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Used
Warranty: B&H 90 Days
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QSC SPA Overview

The highly flexible QSC SPA4-100 4-Channel Power Amplifier is an advanced Class-D amplifier with Energy Star rated efficiency well suited for smaller installations including meeting rooms or BGM zones. The convection cooled amplifier is designed to conserve energy. An auto-ramp circuit ensures quiet and fast power up from standby when a signal is present and seamless power-down following 25 minutes of inactivity, dramatically reducing power consumption.

The rear panel utilizes Euroblock connectors for inputs and outputs as well as remote inputs. Each channel of the SPA4 provides 100W of power, while the bridge mode provides 200W into 4 or 8 ohms and 175W into 70/100V.

  • Provides up to 100W per channel into Low-Z loads at 4 and 8 Ohms
  • Energy Star qualified SPA Series employ an efficient class-D design to conserve energy and reduce operational cost
  • Delivers up to 175W into 70/100V when bridged
  • Rack-mountable 1 RU, half-rack width enclosure—the SPA Series can be mounted in 1 RU, 1/2 rack space, and their clever joining brackets enable easy under table and wall mounting
UPC: 684284068545

QSC SPA Specs

Form Factor/Type
Tabletop (Rack-Mountable with Included Hardware)
General
Product Type
Power amplifier
Enclosure Color
Black
Audio System
Number of Amplifier Channels
4
Functions
Amplifier
Amplifier Class
D
Load Impedance/Voltage Support
4 / 8 Ohms
70 / 100 V
Power Rating per Channel
4x 100 W
Audio Specifications
Amplifier - Response Bandwidth - 20 - 20000 Hz - SNR - 100 dB
Input Impedance
10 kOhm
Channel Bridging & Power Sharing
1x 200 W Bridged at 4/8 Ohms
1x 175 W Bridged at 70/100 V
Amplifier Class
Class-D
Input Sensitivity
1.23 V
Performance
Amplifier Output Details
100 Watt - 8 Ohm - 4 channels
100 Watt - 4 Ohm - 4 channels
200 Watt - 8 Ohm - 2 channels (bridged)
200 Watt - 4 Ohm - 2 channels (bridged)
350 Watt - 2 channels (70/100V)
Features
Thermal protection, overload protection, short circuit protection, over current protection, over voltage protection, wall mountable, bridged output capability, rack mountable, low voltage protection, 70V/100V or 4/8 Ohm operation
Connections
Frequency Response
20 Hz to 20 kHz ±0.1 dB (4 Ohms, 8 Ohms)
Connectors
2 x balanced audio input (Euroblock 5-pole) - rear
2 x speakers output (Euroblock 4-pole) - rear
2 x remote control (Euroblock 5-pole) - rear
SNR/Noise
> 100 dB SNR
Miscellaneous
Included Accessories
Power cable, mounting bracket, rack mount ears
Signal Processing
Voltage Required
AC 100/230 V (50 - 60 Hz)
Dimensions & Weight
DSP
No
Width
8.7 in
Audio Delay
No
EQ & Filters
High-Pass Filter
Depth
9.5 in
Height
1.7 in
Dynamics
No
Connectivity
Weight
3.09 lbs
Analog Audio I/O
1x Block 10-Pin Line Input
1x Block 10-Pin Line Input
2x Block 4-Pin Speaker Output
Dimensions & Weight (Shipping)
Digital Audio I/O
No
Weight (Shipping)
5.51 lbs
Network I/O
No
USB I/O
No
Phantom Power
No
Wireless
No
Power
Input Power
100 to 240 VAC, 50 / 60 Hz
AC Power Connector
1x IEC 15 A / NEMA 5-15
Physical
Display
Single-LED Indicators Only
Rackmount Size
1 U (with Included Hardware, 1/2-Rack)
Cooling
Convection
Certifications
CE, ENERGY STAR, FCC, RoHS, UL, WEEE
Dimensions
9.5 x 8.7 x 1.8" / 241.3 x 221 x 45.7 mm
Weight
4 lb / 1.81 kg

QSC SPA Reviews

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