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Retail Price: $3,495.00

Your Price: $2,446.50 2446.5 InStock
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Alta Audio - Io - 2-way Ribbon Tweeter Bookshelf Speakers (Pair) is available to buy in increments of 1

Alta Audio - Io - 2-way Ribbon Tweeter Bookshelf Speakers (Pair)

Alta Audio - Io - 2-way Ribbon Tweeter Bookshelf Speakers (Pair)

Alta Audio - Io - 2-way Ribbon Tweeter Bookshelf Speakers (Pair)

Alta Audio’s IO is unimposing in physical size, but presents a large and wide image with extraordinary bass. An audition will make you wonder how it can recreate the space and specificity of the concert hall while packing the wallop and power of live instruments. Created using the same XTL transmission line bass and DampHard cabinet construction on the faceplate as our highly reviewed Celesta FRM-2 speakers, it does so at a far more attainable price and is housed in a beautiful Rosewood standard cabinet. The black seven-inch midrange/woofer blends smoothly and seamlessly into the two-inch pure ribbon tweeter, creating a sweet sound that can move you physically while presenting intimate details of three-dimensional images from the front to the deepest parts of the concert hall.


  • Elegant Ribbon Tweeter - 3rd Generation, excellent clarity and dynamics
  • Wide-band Midrange/Woofer - State of the art driver designed for enhanced clarity and dimensionality
  • Alta XTL - All Alta Audio cabinets are designed with proprietary sonic geometry, making the cabinets themselves musical instruments that boost the bass of the Alta Audio line while delivering unparalleled clarity and speed
  • DampHard - Proprietary multi-layer multi-density cabinet material dampens resonance at all frequencies. This allows the speaker to present clear, open, and dimensional sound reproduction to the listener


14.5 inches (368.3mm)

8 1/2 inches (215.9mm)

13 inches (330.2mm)

27 pounds (12.25 kg)

Driver complement
One 2 inch ribbon tweeter
One 7 inch midrange/woofer

89.5 dB / 2.83 Volts @ 1 Meter

Frequency Response
42Hz to 47kHz


50 to 150 Watts per channel

Alta Audio Technology
XTL Bass
DampHard faceplate

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