BOSE FREESPACE IZA 190-HZ ZONE AMPLIFIER
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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.
FEATURES
Amplification for premium sound from a reliable, high quality Class-D amplifier provides optimized performance and premium sound quality through the use of 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 Professional 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 Rack Mount Kit accessory
Applications
Designed for a wide range of applications, including:
Retail stores
Restaurants and bars
Hospitality venues
Conference centers
Schools
Auxiliary zones
SPECS
TECHNICAL SPECIFICATION
AMPLIFICATION
Channel Separation (Crosstalk)
≤ -60 dBV below rated power, 1 kHz
Dynamic Range
88 dB
Frequency Response
40 Hz – 20 kHz (+0 dB/-3 dB) at 1 W, 1 kHz reference
Number of Channels
2
Power Class
Class D
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
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
Channels
2
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)
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
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 Conversion
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)
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
MECHANICAL DIAGRAMS
Mechanical diagram front view
Front View
Mechanical diagram back view
Back View
mechanical diagram right view
Side View
PRODUCT CODES
344871-1420
IZA 250-LZ, US 120V
344871-4420
IZA 250-LZ, EU 230V
344871-5420
IZA 250-LZ, UK 230V
344871-3420
IZA 250-LZ, Japan 100V
344871-2420
IZA 250-LZ, AU 240V
WARRANTY PERIOD
5 years
INCLUDED IN PACKAGING
(1) 2-pin Euroblock connector
(1) 4-pin Euroblock connector
(1) 4-pin Euroblock connector
(1) FreeSpace IZA 250-LZ amplifier
(1) owner’s guide
(1) power cord
(4) feet with pins
(8) spade lug connectors
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