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Zone Amplifiers

Zone amplifiers deliver robust audio amplification for commercial sound systems such as retail stores, conference space and hospitality locations. Considered workhorses of the industry, zone amplifiers are designed and tested to high standards of quality to achieve trouble-free operation.

FreeSpace® ZA 190-LZ Amplifier Power Input Channels
zone amplifier 2 x 50 W @ 4 Ω, 2 x 25 W @ 8 Ω
1 x 90 W @ 70/100 V
Line Inputs: 1 Unbalanced

Product Overview

X

FreeSpace® ZA 250-LZ / 190-HZ

zone amplifier

Bose® FreeSpace® ZA 250-LZ and ZA 190-HZ zone amplifiers are designed to provide basic amplification and sound system expansion when using front-end signal processing from products such as the FreeSpace IZA 250-LZ / IZA 190-HZ integrated zone amplifiers, the FreeSpace 4400 business music system and ControlSpace® engineered sound processors.

Technical Summary

Amplifier Power

2 x 50 W @ 4 Ω, 2 x 25 W @ 8 Ω
1 x 90 W @ 70/100 V

Frequency Response

FreeSpace® ZA 250-LZ zone amplifier: 20 Hz - 20 kHz (+0/-3 dB, @ 1 W reference 1 kHz)
FreeSpace® ZA 190-HZ zone amplifier: 60 Hz - 20 kHz (+0/-3 dB, @ 1 W reference 1 kHz)

THD+N

FreeSpace® ZA 250-LZ zone amplifier: ≤0.3 % (at full rated power)
FreeSpace® ZA 190-HZ zone amplifier: ≤1 % (at full rated power)

Dynamic Range

FreeSpace® ZA 250-LZ zone amplifier: 88 dB
FreeSpace® ZA 190-HZ zone amplifier: 88 dB

Input Channels

1 Unbalanced

Technical Data Sheet

Key Features

  • Premium sound quality

    from a reliable, high quality Class-D amplifier designed to expand sound systems for loudspeaker installations

  • Expandable amplification

    allows for easy system expansion when coupled with a FreeSpace IZA 250-LZ or IZA 190-HZ integrated zone amplifier. The two amplifiers will function together as one system

  • Compact, lightweight design

    enables the FreeSpace 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

  • Two models available,

    4/8 Ω or 70/100 V output, allow for better fit options for specific installations

Applications

  • Retail stores
  • Restaurants and bars
  • Hospitality venues
  • Conference centers
  • Schools
  • Auxiliary zones

Physical

Rack Space Units

1 RU high, half rack wide

Dimensions

1.8" H x 8.4" W x 11.9" D (45 mm x 214 mm x 302 mm)

Net Weight

FreeSpace® ZA 250-LZ zone amplifier: 4.4 lb (2.0 kg)
FreeSpace® ZA 190-HZ zone amplifier: 6.7 lb (3.0 kg)

Cooling System

Natural convection

FreeSpace® ZA 250-LZ Amplifier Power Input Channels
zone amplifier 2 x 50 W @ 4 Ω, 2 x 25 W @ 8 Ω
1 x 90 W @ 70/100 V
Line Inputs: 1 Unbalanced

Product Overview

X

FreeSpace® ZA 250-LZ / 190-HZ

zone amplifier

Bose® FreeSpace® ZA 250-LZ and ZA 190-HZ zone amplifiers are designed to provide basic amplification and sound system expansion when using front-end signal processing from products such as the FreeSpace IZA 250-LZ / IZA 190-HZ integrated zone amplifiers, the FreeSpace 4400 business music system and ControlSpace® engineered sound processors.

Technical Summary

Amplifier Power

2 x 50 W @ 4 Ω, 2 x 25 W @ 8 Ω
1 x 90 W @ 70/100 V

Frequency Response

FreeSpace® ZA 250-LZ zone amplifier: 20 Hz - 20 kHz (+0/-3 dB, @ 1 W reference 1 kHz)
FreeSpace® ZA 190-HZ zone amplifier: 60 Hz - 20 kHz (+0/-3 dB, @ 1 W reference 1 kHz)

THD+N

FreeSpace® ZA 250-LZ zone amplifier: ≤0.3 % (at full rated power)
FreeSpace® ZA 190-HZ zone amplifier: ≤1 % (at full rated power)

Dynamic Range

FreeSpace® ZA 250-LZ zone amplifier: 88 dB
FreeSpace® ZA 190-HZ zone amplifier: 88 dB

Input Channels

1 Unbalanced

Technical Data Sheet

Key Features

  • Premium sound quality

    from a reliable, high quality Class-D amplifier designed to expand sound systems for loudspeaker installations

  • Expandable amplification

    allows for easy system expansion when coupled with a FreeSpace IZA 250-LZ or IZA 190-HZ integrated zone amplifier. The two amplifiers will function together as one system

  • Compact, lightweight design

    enables the FreeSpace 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

  • Two models available,

    4/8 Ω or 70/100 V output, allow for better fit options for specific installations

Applications

  • Retail stores
  • Restaurants and bars
  • Hospitality venues
  • Conference centers
  • Schools
  • Auxiliary zones

Physical

Rack Space Units

1 RU high, half rack wide

Dimensions

1.8" H x 8.4" W x 11.9" D (45 mm x 214 mm x 302 mm)

Net Weight

FreeSpace® ZA 250-LZ zone amplifier: 4.4 lb (2.0 kg)
FreeSpace® ZA 190-HZ zone amplifier: 6.7 lb (3.0 kg)

Cooling System

Natural convection

FreeSpace® ZA 2120-HZ Amplifier Power Input Channels
zone amplifier 2 x 120 W @ 70/100V 1 unbalanced, 1 balanced

Product Overview

X

FreeSpace® ZA 2120-HZ

zone amplifier

The Bose® FreeSpace® ZA 2120-HZ zone amplifier is designed to provide basic amplification and sound system expansion when using front-end Bose® products, such as FreeSpace® integrated zone amplifiers and ControlSpace® engineered sound processors.

Technical Summary

THD+N

≤ 0.3 % (at rated power)

Amplifier Power

2 x 120 W @ 70/100V

Frequency Response

55 Hz - 20 kHz (+0/–3 dB, @ 1 W reference 1 kHz)

Dynamic Range

88 dB

Input Channels

1 unbalanced, 1 balanced

Technical Data Sheet

Key Features

  • Reliable 2 x 120 W Class-D amplification

    optimized for 70/100V high-impedance applications

  • Dual remotes

    support optional volume adjustment for independent, or combined, zone control which eliminates the need for bulky, inefficient, and sound-altering 70/100V in-line volume controls

  • Expansion-ready connectivity

    with FreeSpace® IZA amplifiers when additional sources and loudspeaker processing is required

  • Intuitive feature setup

    enables the amplifier to be configured without a PC for remote, input, output and automatic standby options

  • Auto-Standby feature

    allows the amplifier to consume less power when not in use

  • Remote muting

    allows the amplifier to be muted via a centralized control system

Applications

  • Retail stores
  • Restaurants and bars
  • Hospitality venues
  • Conference centers
  • Schools
  • Auxiliary zones

Physical

Dimensions

1.7" H x 19.0" W x 12.8" D (44 mm H x 483 mm W x 324 mm D)

Net Weight

9.0 lb (4.1 kg)

Cooling System

Single fan, continuous left-to-right air flow

FreeSpace® ZA 2120-LZ Amplifier Power Input Channels
zone amplifier 2 x 120 W @ 4 Ω, 2 x 60 W @ 8 Ω 1 unbalanced, 1 balanced

Product Overview

X

FreeSpace® ZA 2120-LZ

zone amplifier

The Bose® FreeSpace® ZA 2120-LZ zone amplifier is designed to provide basic amplification and sound system expansion when using front-end Bose® products, such as FreeSpace® integrated zone amplifiers and ControlSpace® engineered sound processors.

Technical Summary

THD+N

≤ 0.5 % (at rated power)

Amplifier Power

2 x 120 W @ 4 Ω, 2 x 60 W @ 8 Ω

Frequency Response

20 Hz - 20 kHz (+0/–3 dB, @ 1 W reference 1 kHz)

Dynamic Range

88 dB

Input Channels

1 unbalanced, 1 balanced

Technical Data Sheet

Key Features

  • Reliable 2 x 120 W Class-D amplification

    optimized for low-impedance applications

  • Remote

    option for volume control eliminates the need for bulky, inefficient, and sound-altering in-line volume controls

  • Expansion-ready connectivity

    with FreeSpace® IZA amplifiers when additional sources and loudspeaker processing is required

  • Intuitive feature setup

    enables the amplifier to be configured without a PC for output and automatic standby options

  • Auto-Standby feature

    allows the amplifier to consume less power when not in use

  • Remote muting

    allows the amplifier to be muted via a centralized control system

Applications

  • Retail stores
  • Restaurants and bars
  • Hospitality venues
  • Conference centers
  • Schools
  • Auxiliary zones

Physical

Dimensions

1.7" H x 19.0" W x 12.8" D (44 mm H x 483 mm W x 324 mm D)

Net Weight

9.0 lb (4.1 kg)coo

Cooling System

Single fan, continuous left-to-right air flow

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