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JBL MPA1100 2-Channel Amplifier 820-Watts RMS

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Write a review Q&A SKU: TZ-MPA1100 PSSL ID#: 105860
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JBL MPA1100 2-Channel Amplifier 820-Watts RMS

The MPA1100 is a high-efficiency professional power amplifier, with two independent channels, capable of delivering 1100 watts into a four ohm load (per channel), and substantially more power into lower impedance loads. Semi-toroidal power transformers one per channel are mounted in each front corner, as close as possible to the rack ears and rails. The rear panels are 16.9 inches behind the front mounting plane, so an extra rack depth allowance (i.e., more than 18 inches) will be needed to clear XLR or Speakon connections. The built-in fan cooling takes air in the rear, exhausting through front vents. Due to the flow-through cooling, amplifiers may be racked with zero clearance in between, which also helps support the weight. Rear support within the rack must be used in portable applications.


  • DISTORTION: SMPTE-IM, less than 0.05 %
    • 20 Hz to 20 kHz, ±0.1 dB
    • 8 Hz to 100 kHz, +0/-3 dB
  • DAMPING FACTOR: Greater than 200
  • DYNAMIC HEADROOM: 3 dB at 4 ohms
  • NOISE: 100 dB below rated output (20 Hz to 20 kHz)
  • SENSITIVITY: 1 Vrms for rated power (8 ohms)
  • VOLTAGE GAIN: 80 (38 dB)
  • INPUT IMPEDANCE: 10 kilohms unbalanced, 20 kilohms balanced
  • CONTROLS: Front: AC switch, Ch 1 & Ch 2 Gain (2 dB detents). Rear: One toggle switch for paralleling inputs and for bridged output configuration
  • INDICATORS(each channel):
    • POWER: Green LED
    • LEVEL -20: Green LED
    • LEVEL -10: Yellow LED
    • CLIP: Red LED
    • PROTECT: Red LED (flashes for over-temp)
  • CONNECTORS(each chan., except one stereo Speakon):
    • Input: Barrier strip and XLR
    • Speakers: 5-way binding posts, Speakon connectors, st. Speakon
  • COOLING: Continuously variable speed fan, rear-to-front air flow
  • AMPLIFIER PROTECTION: Full short circuit†, open circuit, ultrasonic, and RF protection, thermal limiting/muting; stable into reactive or mismatched loads
  • LOAD PROTECTION: On/off muting, clip limiting, DC-fault load grounding relay with internal fault fuses
    • Complementary linear, high-efficiency outputs: 3-step
  • POWER REQUIREMENTS: 100, 120, 220–240 Vac, 50–60 Hz
  • DIMENSIONS: 48.3 cm (19") rack mounting, 45.5 cm (17.9") deep (rear support ears), 13.3 cm (5.25") high (3 spaces)
  • WEIGHT: 29 kg (64 lbs.) net, 31.8 kg (70 lbs.) shipping


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