{
    "schema_version": 1,
    "id": 30240,
    "name": "Focal INSIDE ISUB ACTIVE 2.1 8\" Ultra-Compact Underseat 2-Ch Amplified Subwoofer",
    "url": "https://dev.dynamicsounds.co.uk/focal-inside-isub-active-2-1-8-ultra-compact-underseat-2-ch-amplified-subwoofer.html",
    "brand": "Focal",
    "model": "ISUB ACTIVE 2.1",
    "sku": "ISUB ACTIVE 2.1",
    "gtin": "7427282749299",
    "mpn": "",
    "identifiers": {
        "model": "ISUB ACTIVE 2.1",
        "sku": "ISUB ACTIVE 2.1",
        "ean": "7427282749299"
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    "description": "The ISUB ACTIVE 2.1 subwoofer is a perfect solution to complete any factory audio system by adding powerful (260W) bass and amplifying the vehicle’s front channels (2.1). It connects to the HP outputs of the car radio through the cable supplied by Focal to genuinely enhance the sound experience without taking up any space in the cabin or boot.\nMeasuring 21/2” (6.3cm) high, it slides easily underneath a seat, even a tight-fitting one. Thanks to the available settings, you can customise the sound reproduction. A wired remote control is also included for users to adjust the bass level as desired.\nKey Points\nFocal expertise\n2-channel amplifier\nReady to use (ISO cable supplied)\nCompact product, discreet integration\nEasy to use\nVarious settings options (adjustable incoming signal, adjustable amplifier crossover, volume boost, etc.)\nRobust design\nSpecifications\nType 8\" ultra-compact amplified subwoofer & 2-channel amplifier\nMax. power 260W\nNom. power 130W RMS\nFrequency response 45Hz - 150Hz\nImpedance 4Ω\nFuse rating 35A\nSubwoofer phase 0 or 180°\nSNR > 80dBA\nMaximum power amplifier 2 x 110W\nNominal power amplifier 2 x 55W RMS\nImpedance amplifier 4Ω\nDimensions (L x W x H) 127/8 x 91/16 x 21/2\" (328 x 230 x 63 mm)\nWeight 9.6lbs (4.25kg)",
    "category": [
        "Subwoofers",
        "Sub Enclosure"
    ],
    "tags": [
        "focal",
        "isub",
        "active",
        "2.1",
        "8 inside",
        "8 8",
        "amplified bass box 8",
        "bass box",
        "underseat subwoofer",
        "active subwoofer 8 8 8\"",
        "ultra-compact",
        "2-ch",
        "subwoofers"
    ],
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    "price": {
        "currency": "GBP",
        "amount": 349.99,
        "regular": 649.99,
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    "weight": {
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    "warranty": "1 Year Warranty on all items",
    "updated": "2026-09-18T12:38:10+01:00",
    "store": {
        "name": "Dynamic Sounds Ltd.",
        "url": "https://dev.dynamicsounds.co.uk/",
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