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Big Jeff Online Inc is a family based business and is able to give one on one time with our customers

Phase Technology® began as United Speaker Systems® in 1955 and has stayed on the leading edge of speaker design and engineering since that time. Today, PhaseTech ensures our products consistently earn critical acclaim from home theater and audiophile enthusiasts worldwide.
10 products
  • Rockustics Coconutz 5.25" 2-way Outdoor Hanging Speaker 150W 4Ohm Home Audio

    Regular price
    $220.00
    Sale price
    $220.00
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  • Rockustics SUBSCAPE 12 Outdoor In-Ground 600W 10" Subwoofer Home Audio

    Regular price
    $834.00
    Sale price
    $834.00
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  • Rockustics SUBSCAPE 10 Outdoor In-Ground Band Pass 10" Subwoofer Home Audio 500W

    Regular price
    $667.00
    Sale price
    $667.00
    Add to cart
  • Rockustics SUBSCAPE 8 Outdoor 300W In-Ground Band Pass 8" Subwoofer Home Audio

    Regular price
    $550.00
    Sale price
    $550.00
    Add to cart
  • Rockustics 6.25" 2-Way Outdoor 200W Speaker Weatherproof Home Audio

    Regular price
    $259.00
    Sale price
    $259.00
    Add to cart
  • Rockustics 4.5" 2-Way Outdoor Landscape Speaker Weatherproof Home Audio 100W

    Regular price
    $192.00
    Sale price
    $192.00
    Add to cart
  • 5.25" Real Rock Coax Outdoor Speaker Weatherproof Patio Garden Grey Home Audio

    Regular price
    $246.50
    Sale price
    $246.50
    Add to cart
  • 6.5" Real Rock Coax Outdoor Speaker Weatherproof Patio Garden Sand Home Audio

    Regular price
    $309.40
    Sale price
    $309.40
    Add to cart
  • 5.25" Real Rock Coax Outdoor Speaker Weatherproof Patio Garden Sand Home Audio

    Regular price
    $246.50
    Sale price
    $246.50
    Add to cart
  • 100W Underground Outdoor Speaker 5" Patio Subwoofer Weatherproof Tweeter

    Regular price
    Sold out
    Sale price
    $551.65
    Add to cart