Bose Professional FreeSpace IZA 250-LZ Integrated Zone Amplifier

BH #BOFSIZA250LZ • MFR #344871-1420
Bose Professional
Bose Professional FreeSpace IZA 250-LZ Integrated Zone Amplifier
Key Features
  • Dynamic Equalization for Tonal Balance
  • Presets for DS 16, and DS 40 Speakers
  • Supports Volume/Source Selection Remotes
  • Class-D Amplifier
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The FreeSpace IZA 250-LZ from Bose Professional is an integrated zone amplifier for background/foreground music and paging, well suited for business music applications including conference spaces, retail stores, hotels, lobbies, bars, and restaurants. The amplifier is optimized for commercial applications and features selectable Loudspeaker EQ to enrich audio quality, Opti-voice paging for clear speech intelligibility while providing seamless transitions, and Dynamic EQ that ensures full and balanced music at any volume level.
Discontinued
$75/mo. suggested payments.*
with 6 Mos. Promo Financing
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Bose Professional FreeSpace IZA Overview

The FreeSpace IZA 250-LZ from Bose Professional is an integrated zone amplifier for background/foreground music and paging, well suited for business music applications including conference spaces, retail stores, hotels, lobbies, bars, and restaurants. The amplifier is optimized for commercial applications and features selectable Loudspeaker EQ to enrich audio quality, Opti-voice paging for clear speech intelligibility while providing seamless transitions, and Dynamic EQ that ensures full and balanced music at any volume level.

The integrated zone amplifier offers a variety of easy-to-use input connections (mic/line/page), input gain and output level adjustments, and operational modes. The Opti-Voice paging system equalizes the vocal frequency range for clear speech intelligibility, while providing seamless transitions between music and voice. The independent loudspeaker EQ provides enriched audio quality and ease of use when using Bose loudspeakers. The FreeSpace IZA 250-LZ ships with Euroblock connectors, feet with pins, eight spade lugs, and a standard IEC power cord.

  • Amplification for premium sound from a reliable, high-quality Class-D amplifier provides optimized performance and premium sound quality using 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 rackmount kit accessory
  • Easy connectivity and expansion are possible for applications where a second set of output channels are required. An auxiliary line output is provided to share signals with an optional FreeSpace ZA 190-HZ
UPC: 017817563970

Bose Professional FreeSpace IZA Specs

Amplifier Power2 x 50 W @ 4 Ohms, 2 x 25 W @ 8 Ohms
Frequency Response40 Hz to 20 kHz (+0/-3 dB, @ 1 W reference 1 kHz)
THD+N≤0.3% (at full rated power)
Crosstalk≤-60 dBV (below rated power, 1 kHz)
Dynamic Range88 dB
AD/DA Conversion24-bit / 48 kHz
Audio Processing FunctionsLoudspeaker EQ, Bose Opti-voice paging, Dynamic equalization
PresetsFreeSpace DS 16 and DS 40 loudspeakers, High-Pass Filter (HPF)
Audio Latency10.4 ms (any input to speaker output or aux output)
InputsLine Inputs: 2 x unbalanced (stereo RCA)
Mic/Line Inputs: 1 x balanced (combo XLR-1/4" / 6.35 mm TRS)
Page Input: 1 x balanced mic/line (4-pin Euroblock)
Auxiliary Input: 1 x unbalanced line (1/8" / 3.5 mm TRS)
Input RangeLine Inputs: -10 dBV to +10 dBV
Mic/Line Inputs: -60 dBV to +10 dBV
Page Input: -60 dBV to +10 dBV
Auxiliary Input: -0 dBV to +10 dBV
Adjustment RangeLine Inputs: -20 dB to +20 dB
Mic/Line Inputs: 0 dB to +50 dB
Page Input: 0 dB to +50 dB
Auxiliary Input: Fixed
Input ImpedanceLine Inputs: 20 kOhms
Mic/Line Inputs: 2 kOhms
Page Input: 2 kOhms
Auxiliary Input: 20 kOhms
Maximum Input Level+10 dBV
Nominal Input LevelLine Inputs: 0 dBV
Mic/Line Inputs: -40 dBV
Page Input: -40 dBV
Auxiliary Input: 0 dBV
OutputsAmplifier Outputs: 2 (2-terminal barrier strip)
Auxiliary Output: 1 x unbalanced (stereo RCA)
Output ImpedanceAmplifier Outputs: 4 Ohms
Auxiliary Output: 400 Ohms
Nominal Output LevelAmplifier Outputs: 2 x 50 W @ 4 Ohms (min); 2 x 25 W @ 8 Ohms
Auxiliary Output: 0 dBV (max)
Indicators & ControlsLED Status Indicators:
Power: Blue
Input Clip: Red (-3 dBFS)
Controls, Front Panel: Power On/Off, Input Select (A/B), Tone Controls (Treble/Bass), Mic/Line Gain, Master Level
Controls, Rear Panel: Amplifier Mode DIP switch, Loudspeaker EQ preset selector, Input Gain (A/B/Page mic), Output trim
Control InputRemote input for Volume Control with A/B Select user interface
Mute input for amplifier muting via contact closure
Mains Voltage100 - 240 VAC (±10%, 50/60 Hz)
Power Consumption15 W (Standby), 200 W (Max)
Peak Inrush Current13.9 A (230 V / 50 Hz)
7.6 A (120 V / 60 Hz)
Overload ProtectionHigh temperature, short
Power ConnectorStandard IEC (C14)
Cooling SystemNatural convection
Rack Space1 RU high, half-rack wide
Dimensions (H x W x D)1.8 x 8.4 x 12.2" / 45.7 x 213.4 x 309.9 mm
Weight4.8 lb / 2.2 kg
Packaging Info
Package Weight7.2 lb
Box Dimensions (LxWxH)18.1 x 11 x 4.2"
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