Input channels and connectors: A & B Line: (2) Balanced 5-pin Euroblock and (2) unbalanced RCA pair Page Mic/Line: (1) Balanced 4-pin Euroblock Auxiliary Line: (1) Balanced 1/8" (3.5 mm) TRS. Output channels and connectors: 2 ch/zones, (2) 2-pin inverted touchproof Euroblock connectors. Frequency response: 20 Hz – 20 kHz (+0/-3 dB, 1 W reference 1 kHz). Continuous power per channel: 2 x 40 W 4 Ω 2 x 20 W 8 Ω. Amplifier power: 2 x 120 W 4 Ω 2 x 60 W 8 Ω. Can be rack-mounted with included rack ears, or placed of the way on a table, desk, counter or shelf. Choose between 2 channels at 120 watts (model IZA 2120-LZ, 4Ω) or 2 channels at 120 watts (model IZA 2120-HZ, 70/100V systems) for loudspeaker installations. High- and low-impedance models available. Amplifier outputs can be muted remotely via a contact closure. The IZA 2120-HZ has two sets of treble and bass tone control knobs, one for each zone output. Fine tune the sound with front panel treble and bass tone control knobs (+/-6 dB 100 Hz and 7 kHz). Auxiliary input on front panel allows quick connection to mobile devices. Bose® volume control with A/B switch enables access to amplifier volume level and source selection from remote locations (PC 041967). Source select and master output level can be easily controlled from the front panel or remote control. Output level (trim) controls available for adjusting individual channel outputs relative to the overall master level. Input source levels can be adjusted with independent gain controls. Four inputs: two stereo line inputs, one mic/line page input and one auxiliary stereo line input. IZA 2120-HZ: Remote 1 Control (Zone 1/Zone 1+2), A/B Select (Front/Remote), Auto Standby (Off/On), Page Output (Zone 1+2/Zone1), Page Bypass Master (Off/On), Page Mode (Duck/Mix), Page Start (PTT/VOX), Aux Output 1 (Flat/EQ), Aux Output 2 (Flat/EQ), Aux Output (Fixed/Variable), Aux Input (Zone 1+2/Zone1), Aux Input (Enabled/Disabled), Output Voltage (70/100V) 
IZA 2120-LZ: Output (Mono/Stereo), A/B Select (Front/Remote), Auto Standby (Off/On), Page Bypass Master (Off/On), Page Mode (Duck/Mix), Page Start (PTT/VOX), Aux Output (Flat/EQ), Aux Output (Fixed/Variable), Aux Input (Enabled/Disabled) Rear panel DIP switches offer the following flexible operation modes:.System set up is done locally from the front and rear panels.Opti-voice® paging equalizes the vocal frequency range for clear speech intelligibility while providing seamless transitions.
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Bose® dynamic equalization is a DSP function that ensures full and balanced music at any volume level.IZA 2120-HZ: HPF, FreeSpace FS2, FS4, DesignMax DM2, and SUB IZA 2120-LZ: Flat, FreeSpace FS2, FS4, DesignMax DM2, DM3 With a switch on the rear panel, selectable Bose® loudspeaker EQ presets optimize performance of the following loudspeakers:.
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