Bose Pro FreeSpace IZA 250-LZ Integrated Zone Amplifier

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IZA 250-LZ Integrated Zone Amplifier at EMI Audio

Bose® FreeSpace® IZA 250-LZ and IZA 190-HZ integrated zone amplifiers are designed to deliver premium sound

- along with simplified set up and easy daily operation.

Made for background/foreground music and paging applications, they offer the flexibility to expand when more loudspeakers are required.

When used with FreeSpace FS2 and FS4 loudspeakers, even further sound optimization is possible through onboard selectable EQ presets.




Amplification for premium sound from a reliable, high quality Class-D amplifier provides optimized performance and premium sound quality through the use of internal digital signal processing

Installation made simple with set up done locally from the front and rear panels of the amplifier—no computer is required

Opti-voice® paging provides smooth automatic transition between the music and page signals

End-user friendly front panel allows users to connect devices easily, make tonal adjustments or select between two sources. Optional wall mountable Bose Volume control with A/B switch user interface allows volume and source selection controls to be placed away from the amplifier for user convenience

Compact, lightweight design enables the FreeSpace integrated 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


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


Technical Summary

Amplifier Power
2 x 50 W @ 4 Ω, 2 x 25 W @ 8 Ω

Frequency Response
40 Hz - 20 kHz (+0/-3 dB, @ 1 W reference 1 kHz)

≤0.3 % (at full rated power)

Dynamic Range
88 dB

Built-in Loudspeaker EQ
Bose FreeSpace FS2 or FS4, HPF only

Input Channels
Mic/Line Inputs: 1 Balanced mic/line
Line Inputs: 2 Unbalanced line
Page Inputs: 1 Balanced mic
Auxiliary Input: 1 Unbalanced line

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Additional Information

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