Whirlwind ISO-2 - Dual Line Isolator and Line Balancer

Whirlwind ISO-2 - Dual Line Isolator and Line Balancer


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The Whirlwind ISO-2 is a small, rugged 2-channel isolation box and line balancer. As an isolation unit, it may be used for isolating press and video feeds, or on-stage power amps, in broadcast or sound reinforcemnt applications, eliminating hum and buzz via ground lift switched and a dedicated channel 2 polarity reverse switch.

The ISO-2 also converts unbalanced lines from CD players, tape decks and other like devices, to balanced lines, facilitating long, noise-free cable runs.

Dual channel line isolator and balancer with high input level(+28dBm) capacity
Proprietary TRSP-600 transformers for flat frequency response and low distortion
Ground-lift buttons for each channel, Polarity reverse button for Channel 2
XLR or 1/4" inputs
UPC: 692465015707
Function 2-Channel 600-Ohm Line Isolator and Line Balancer
Inputs 2 x 3-pin XLR Female, Balanced
2 x 1/4" TS Phone, Unabalanced
Outputs 2 x 3-pin XLR Male, Balanced
Frequency Response 20 Hz - 20 kHz, +/-0.5dB @ +10dBm input
Distortion Not Specified by Manufacturer
Crosstalk Not Specified by Manufacturer
Dimensions (WxDxH) 3.5 x 4.5 x 1.3" (88.9 x 114.3 x 33mm)
Weight 1.1 lb (0.5 kg)
Specialties Ground Lift and Polarity Switches
Dual Function Isolator and Line Balancer
Packaging Info
Package Weight 1.45 lb
Box Dimensions (LxWxH) 7.4 x 7.0 x 2.0"
Whirlwind ISO-2 - Dual Line Isolator and Line Balancer
  • 2 Year Warranty

    by PowerReviews
    WhirlwindISO-2 - Dual Line Isolator and Line Balancer

    (based on 1 review)

    Ratings Distribution

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    Reviewed by 1 customer

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    (1 of 1 customers found this review helpful)


    Another Good Whirlwind Product

    By Kathy

    from East Bay, CA

    About Me Experienced

    Verified Buyer


    • Clear Sound
    • Compact
    • Easy To Use
    • Phase Reverse Button
    • Versatile
    • Won't lower signal volume


    • Moderately Heavy
    • No phase switch on chan 1

    Best Uses

    • Events
    • Live performance
    • Live Sound
    • Mobile DJ
    • Performances

    Comments about Whirlwind ISO-2 - Dual Line Isolator and Line Balancer:

    This isolator sounds great. You cannot overload this thing. You feed it a higher and higher signal and there is not distortion! It is very rugged, no moving parts inside (so no rattle) and can easily handle a drop from 5 ft. The only downsides are the moderate weight (it's made out of metal) and the lack of a phase reverse switch for channel 1.

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