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Page 36 Installation and Operation English
Specifications pro.Bose.com
IZA 250-LZ/190-HZ Specifications
Power Rating
Amplifier Power
Model IZA 250-LZ Model IZA 190-HZ
2 x 50 W @ 4 Ω; 2 x 25 W @ 8 Ω
1 x 90 W 70/100V
Audio Performance Specifications
Frequency Response
Model IZA 250-LZ Model IZA 190-HZ
40 Hz - 20 kHz
(+0/-3 dB, @ 1 W reference 1 kHz)
60 Hz - 20 kHz
(+0/-3 dB, @ 1 W reference 1 kHz)
THD + N
≤0.3% (at full rated power 4 Ω) ≤1% (at full rated power)
Channel Separation (Crosstalk)
≤-60 dB (below rated power, 1 kHz) ≤-60 dB (below rated power, 1 kHz)
Dynamic Range
88 dB
88 dB
Audio Inputs
Input Channels
Line Inputs Mic/Line Input Page Input Aux Input
2 (unbalanced line) 1 (balanced mic/line) 1 (balanced mic) 1 (unbalanced line)
Input Connectors
Stereo RCA
Combo XLR - 1/4"
(6.5mm) TRS
4-pin Euroblock 1/8" (3.5 mm) TRS
Input Range
-10 dBV - +10 dBV -60 dBV - +10 dBV -60 dBV - +10 dBV 0 dBV - +10 dBV
Adjustment Range
-20 dB - +20 dB 0 dB - +50 dB 0 dB - +50 dB Fixed
Input Impedance
20 kΩ 2 kΩ 2 kΩ 20 kΩ
Max Input Level
+10 dBV +10 dBV +10 dBV +10 dBV
Sensitivity
N/A N/A N/A N/A
Nominal Input Level
0 dBV -40 dBV -40 dBV 0 dBV
Audio Outputs
Outputs
Amplifier Outputs
(IZA 250-LZ)
Amplifier Outputs
(IZA 190-HZ)
Auxiliary Outputs
2 1 1 (unbalanced)
Connectors, Output
2-terminal
barrier strip
3-pin inverted
Euroblock
Stereo RCA
Output Impedance
4 Ω N/A 400 Ω
Nominal Output Level
2 x 50 W @ 4 Ω;
2 x 25 W @ 8 Ω
1 x 90 W 70/100V 0 dBV (max)
Integrated DSP
A/D and D/A Converters
24-bit/48 kHz
Loudspeaker Presets
IZA 190-HZ: HPF (60 Hz), FS2C/SE/P, FS4CE/SE
IZA 250-LZ: FLAT, FS2C/SE/P, FS4CE/SE
Audio Latency
10.4 ms (Input to Speaker Output or Aux Output)
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