For background/foreground music and paging applications, the Bose Professional FreeSpace IZA 250-LZ and IZA 190-HZ integrated zone amplifiers are designed to deliver premium sound, provide simplified set up and easy daily operation, and 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.
Specification
AMPLIFICATION
- Channel Separation (Crosstalk)
- ≤ -60 dBV below rated power, 1 kHz
- Frequency Response
- 40 Hz – 20 kHz (+0 dB/-3 dB) at 1 W, 1 kHz reference
- Rated Power, Symmetrical
- 50 W per channel at 4 Ω / 25 W per channel at 8 Ω
- THD+N
- ≤ 0.3% at full rated power
AUDIO INPUTS, ANALOG
- Adjustment Range
- -20 dB to +20 dB, line / 0 dB to +50 dB, mic/line / 0 dB to +50 dB, page / fixed, auxiliary
- Input Channels
- 2 unbalanced, line + 1 balanced, mic/line + 1 balanced, mic (page) + 1 unbalanced, line (auxiliary)
- Connectors
- (1) RCA stereo pair, (1) XLR-1/4-in combo, (1) 4-pin Euroblock, (1) 1/8-in (3.5 mm) TRS
- Input Impedance
- 20 kΩ, line / 2 kΩ, mic/line / 2 kΩ, page / 20 kΩ, auxiliary
- Input Range
- -10 dBV to +10 dBV, line / -60 dBV to +10 dBV, mic/line / -60 dBV to +10 dBV, page / 0 dBV to +10 dBV, auxiliary
- Maximum Input Level
- +10 dBV
- Nominal Input Level
- 0 dBV, line / -40 dBV, mic/line / -40 dBV, page / 0 dBV, auxiliary
- Sensitivity
- 0 dBV, auxiliary / N/A, line, mic/line, page
AUDIO OUTPUTS, ANALOG
- Connectors
- (1) 2-terminal barrier strip, (1) RCA stereo pair
- Nominal Output Level
- 2 × 50 W at 4 Ω minimum / 0 dBV maximum (auxiliary)
- Output Impedance
- 4 Ω / 400 Ω (auxiliary)
PHYSICAL
- Cooling System
- Natural convection
- Net Weight
- 4.8 lb (2.2 kg)
- Product Dimensions (H×W×D)
- 1.8 in × 8.4 in × 12.2 in (45 mm × 214 mm × 310 mm)
- Rack Spaces
- 1 RU high, half rack wide
ELECTRICAL
- Current Draw, Inrush
- 7.6 A at 120 VAC, 60 Hz / 13.9 A at 230 VAC, 50 Hz
- Mains Connector
- IEC C14 inlet
- Mains Voltage
- 100–240 VAC (±10%), 50/60 Hz
- Protections
- High temperature, short circuit
- AC Power Consumption
- 15 W idle, 200 W maximum
INDICATORS AND CONTROLS
- Controls, Front Panel
- (1) power switch, (1) input selection switch, (1) treble knob, (1) bass knob, (1) mic/line gain knob, (1) master level knob
- Controls, Rear Panel
- Amplifier Mode DIP switch, Loudspeaker EQ preset selector, Input Gain (A/B/Page mic), Output trim
- LED Status Indicators
- (1) power LED, (1) input clip LED
INTEGRATED DSP
- A/D and D/A Converters
- 48 kHz / 24-bit
- Audio Latency
- 10.4 ms (analog input to analog output)
- Presets
- Flat, Bose Professional loudspeaker presets (FreeSpace FS2C/FS2P/FS2SE/FS4CE/FS4SE)
- Processing Functions
- Loudspeaker EQ, Opti-Voice EQ (paging), Dynamic EQ (low-end compensation)
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