Bose FreeSpace IZA250 IntegratedZone

Bose FreeSpace IZA 250 Integrated Zone Amplifier

The Bose FreeSpace IZA 250 is a versatile integrated zone amplifier designed for professional audio applications. Ideal for small to medium-sized commercial sound systems, it offers flexible input options, precise tonal control, and reliable performance.

Key Features

• Power Switch - ON/OFF AC power control
• Power LED - Indicates when the unit is active
• Input Clip LED - Alerts when input signal approaches threshold (-3 dBFS)
• Mic/Line Input - Combination balanced XLR-TRS connector for dynamic microphones
• Mic/Line Input Gain - Adjustable gain from 0 dB to +50 dB for microphone inputs
• AUX Input - 3.5 mm stereo line-level input with priority override
• Input A/B Selector - Selects rear line-input channels A or B (disabled when using REMOTE connection)
• Treble/Bass Controls - Tonal adjustments with ±6 dB at 7 kHz and 100 Hz
• Master Level Control - Overall system volume for loudspeakers and AUX OUT (disabled with REMOTE connection)

Front Panel

Note: When using a REMOTE connection, the INPUT A/B selector switch and MASTER LEVEL control are disabled.

Rear Panel

• Input A/B - Two channels of stereo RCA input connectors
• Input Gain - Adjustable from -20 dB to +20 dB for each Input A/B channel
• Page Input - Euroblock mic/line input with trigger contact closure for push-to-talk microphones
• Page Input Gain - Gain control from 0 dB to +50 dB for page input signal
• DIP Switches - Four switches to configure amplifier settings
• Remote - Input jack for Bose® volume control with A/B switch
• AUX Out - Variable line-level output for ZA zone amplifiers or additional audio equipment
• EQ - Loudspeaker equalisation presets for FreeSpace DS 16 and DS 40 loudspeakers; includes high-pass filter option
• Mute - Contact closure to mute all outputs including AUX OUT
• Output 1 / Output 2 Trim - Up to 20 dB attenuation of individual loudspeaker outputs relative to master level
• Output - Speaker connections for two 4Ω or 8Ω loudspeakers (IZA 250-LZ) or one 3-pin Euroblock for 70/100 V systems (IZA 190-HZ)
• AC Mains Receptacle - AC line voltage input