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QSC SPA4-60
4-Channel, Low Impedance Amplifier

OUR PART #:  SPA4-60

The SPA Series amplifiers from QSC are two half rack 1U, convection cooled power amplifiers delivering two or four channels of 60 watts per channel into 4Ohm and 8Ohm.
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Our Price: $700.00

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QSC SPA4-60
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The SPA Series amplifiers from QSC are two half rack 1U, convection cooled power amplifiers delivering two or four channels of 60 watts per channel into 4Ohm and 8Ohm. The two channels can be bridged to supply 200 watts into 4Ohm and 8Ohm - and up to 250 watts into direct drive 70V or 100V mode - making them flexible for Low-Z or High-Z applications. There is also a selectable 80Hz highpass filter for bridged operation, ensuring that 70V or 100V loudspeakers transformers are not overdriven and saturated by too much low frequency content. Utilizing an advanced Class-D amplifier design and Universal Power Supply, the SPA Series are remarkably efficient, and are EnergyStar qualified with quiet auto-ramp standby functionality.

The SPA2-60 and SPA4-60 are housed in an unobtrusive black painted 1/2 RU chassis with clever joining brackets that enable easy under-table and wall-mounting. This unit is ideal for stereo or mono applications of voice or music audio content, and offers a powerful yet affordable amplifier that meets the needs of boardrooms, conference rooms, and other corporate spaces where multiple speakers are in use. The SPA2-60 and SPA4-60 can be mounted in ½ RU to reduce rack space requirements.

The SPA4-60 is similar to the SPA2-60 but offers more channels to enable solutions like a pair of stereo channels with a single 70V or 100V output, or a Sub/Sat combination. This capability reduces the amount of inventory and SKUs customers need to manage for products that represent their business.

QSC SPA4-60 Features:

  • ENERGY STAR® qualified amplifier:
    • The SPA2-60 and SPA4-60 are EnergyStar qualified amplifiers; efficient class-D amplifiers that conserve energy and require no active cooling, so they reduce operational costs.
  • Bridgeable outputs for higher power:
    • Bridging the outputs of the SPA2-60 and SPA4-60 provide up to 200 watts into low impedance, and up to 250 watts into 70V or 100V providing outstanding flexibility.
  • Auto-Ramp provides quiet startup and power-down:
    • The EnergyStar Auto-Ramp circuitry ensures quiet and fast power up from Standby and seamless power-down following 28 minutes of inactivity, dramatically reducing power consumption.

QSC SPA4-60 Specifications:

  • Stereo Mode, Watts Per Channel
    • 8Ohm dynamic, both channels driven: 60 watts
    • 4Ohm dynamic, both channels driven: 60 watts
  • Bridged Mode, Watts Per Channel
    • 8Ohm & 4Ohm dynamic: 200 watts
    • 70V & 100V: 250 watts
  • Signal to Noise (A weighted, 20 Hz - 20kHz): >100dB
  • Input Sensitivity: 1.23 Vrms (+4 dBu)
  • Maximum Voltage Gain: 25.0 dB
  • Output Circuitry: Class D
  • Frequency Response (20 Hz - 20kHz): +0.1 dB, -0.1 dB
  • Input Impedance:
    • >10 kOhm (balanced)
    • >10 kOhm (unbalanced)
  • Maximum Input Level: +12.3V (+24 dBu)
  • Highpass Filter: Switchable 80 Hz when bridged in 70V& 100V
  • Front Panel Indicators: Power, per channel Signal, per channel Protect/Limit
  • Controls: 4Ohm/8Ohm/70V Bridge Highpass On/100VBridged Highpass On per channel pair
  • Dimensions (HWD): 1.7" (1 RU) x 8.7" x 9.5" (43 mm x220 mm x 241 mm)
  • Weight (Net): 3.5 lbs. (1.6 kg)
  • Shipping Weight: 5.5 lbs. (2.5 kg)
  • Agency Approvals: UL, CE, ENERGY STAR, RoHS/WEEEcompliant, FCC Class B (Conducted and Radiated emissions), UL 2043 with PL-Kit
  • Carton and Contents: Power cable, quick start guide, connector kit, rackmount ears, mounting brackets
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