Bose ZA-190-HZ

Freespace Zone Amplifier, 90W, 70/100V

OUR PART #:  ZA-190-HZ Write the First Review.

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Bose® FreeSpace® ZA 250-LZ and ZA 190-HZ zone amplifiers are designed to provide basic amplification and sound system expansion when using front-end signal processing from products such as the FreeSpace IZA 250-LZ / IZA 190-HZ integrated zone amplifiers, the FreeSpace 4400 business music system and ControlSpace® engineered sound processors.


  • Retail stores
  • Restaurants and bars
  • Hospitality venues
  • Conference centers
  • Schools
  • Auxiliary zones

Bose ZA-190-HZ Features:

  • Premium sound quality from a reliable, high quality Class-D amplifier designed to expand sound systems for loudspeaker
  • Expandable amplification allows for easy system expansion when coupled with a FreeSpace IZA 250-LZ or IZA 190-HZ
  • Compact, lightweight design enables the FreeSpace zone amplifier to be placed out of the way—on a table, desk, counter, shelf or in an equipment rack using the optional Rack Mount Kit accessory
  • Two models available, 4/8 O or 70/100 V output, allow for better fit options for specific installations

Bose ZA-190-HZ Specifications:

  • Amplifier Power: 1 x 90W @ 70/100V
  • Frequency Response: 60Hz-20kHz (+0/-3dB, @ 1 W reference 1 kHz)
  • THD+N:
  • Channel Seperation (Crosstalk):
  • Dynamic Range: 88dB
  • Input Channels: 1 Unbalanced
  • Connectors, Input: Stereo RCA
  • Input Range: -10 dBV - +10 dBV
  • Input Impedance: 20 kO
  • Maximum Input Level: +10 dBV
  • Nominal Input Level: 0 dBV
  • Outputs: 1
  • Connectors, Output: 3-pin inverted Euroblock
  • Nominal Output level: 1 x 90W @ 70/100V
  • LED Status Indicators: Power - blue
  • Controls, Front Panel: Power On/Off
  • Controls, Rear Panel: Output trim
  • Mains Voltage: 100VAC-240VAC (+/- 10%, 50/60Hz)
  • AC Power Consumption:
    • 15W (Idle)
    • 105W (Full)
  • Mains Connector: Standard IEC (C14)
  • Maximum Inrush Current:
    • 13.9 Amps (230V/50Hz)
    • 7.6 Amps (120V/60Hz)
  • Overload Protection:
    • High temperature
    • Short
  • Rack Space Units: 1RU high, half-rack wide
  • Dimensions (HxWxD): 1.8" x 8.4" x 11.9" (45 x 214 x 302mm)
  • Shipping Weight: 6.2 lb (3 kg)
  • Net Weight: 4.3 lb (2 kg)
  • Cooling System: Natural Convection

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