{
    "schema_version": 1,
    "id": 32572,
    "name": "BLAM BL-100RFC 100mm 4\" Hi-Efficiency 2-Way Coaxial Car Audio Speakers",
    "url": "https://dev.dynamicsounds.co.uk/blam-bl-100rfc-100mm-4-hi-efficiency-2ohm-2-way-coaxial-car-audio-speakers-pair.html",
    "brand": "BLAM",
    "model": "BL-100RFC",
    "sku": "BL-100RFC",
    "gtin": "7427307002033",
    "mpn": "",
    "identifiers": {
        "model": "BL-100RFC",
        "sku": "BL-100RFC",
        "ean": "7427307002033"
    },
    "description": "Discover the Blam Relax 100 RFC, a 4 inch (10cm) coaxial speaker precisely designed to take your car audio sound to a new level. No one can resist the powerful maximum power of 100W and a nominal power of 50W. In addition, the 20mm soft dome tweeter fits perfectly into the integrated 6 dB/oct. crossover and completes the audio miracle. The speaker is not only powerful, but also extremely efficient with a sensitivity of 90.3 dB and an impedance of 2 O. Let yourself be fascinated by the uncompromising sound and unsurpassed technology of the Blam Relax 100 RFC.\n100 mm bass-midrange speaker with a high quality cellulose pulp cone and a butyl suspension. The generous dimensions of the actuator (70 mm x 15 mm) contribute to an optimal QTS, a good level of sensitivity and high power handling. The tweeter is equipped with a neodymium motor, a soft dome and a 25 mm voice coil on Kapton former.\n{ vehicle_compatibility }\nProduct Features\n100 mm (4‘’) high sensitivity speaker\nMax power 100 W\nNominal power 50 W\nFrequency response 80 Hz – 30 kHz\nSensitivity 90.3 dB\nImpedance 2 Ω\nTechnical features\nOriginal BLAM composite basket reinforced with fiberglass\nHigh quality treated cellulose pulp membrane\nButyl rubber surround\nLong life “Conex” spider\n25 mm voice coil on Kapton former\n70 mm x 15 mm ferrite magnet\nThick magnetic circuit (4 mm)\nHigh quality 20 mm soft dome tweeter\nIntegrated high-pass filter 6 dB/octave (Polypropylene capacitor)\nTechnical Specifications\nComponent Speaker\nMax power 100 W\nNominal power 50 W\nImpedance 2 Ω\nFreq. Response 80 Hz - 30 kHz\nSensitivity (2,83V/1m) 90.3 dB\nMagnet Ferrite\nMagnet size Ø x h 70 x 15 mm 2.756‘’x 0.591‘’\nTotal driver displacement 0.11 l 0.004 cf\nWeight of one component 0.578 kg 1.274 lb\nVoice coil Ø 25 mm 0.984“\nVoice coil height 8.4 mm 0.331“\nCone Cellulose pulp\nProduct Parameters\neffective Ø (d) 84 mm\nSd 55.42 cm²\nXmax 2 mm\nRe 2.6 Ω\nFs 109.87 Hz\nLe 97.33 µH @ 1 kHz\nL2 157.34 µH @10 kHz\nVas 1.76 L\nMms 5.16 g\nCms 0.000407 m/N\nBL 3.49 Tm\nQts 0.66\nQes 0.77\nQms 4.72\nDimensions\n{ note_speakers }",
    "category": [
        "Speakers",
        "4 inch (10 cm)"
    ],
    "tags": [
        "155",
        "Type 167",
        "80",
        "B4",
        "Summit",
        "Cruze",
        "YG",
        "12"
    ],
    "images": [
        "https://dev.dynamicsounds.co.uk/image/catalog/products/Speaker/BL-100RFC/BL-100RFC.jpg",
        "https://dev.dynamicsounds.co.uk/image/catalog/products/Speaker/BL-100RFC/BL-100RFC-1.jpg",
        "https://dev.dynamicsounds.co.uk/image/catalog/products/Speaker/BL-100RFC/BL-100RFC-2.jpg",
        "https://dev.dynamicsounds.co.uk/image/catalog/products/Speaker/BL-100RFC/BL-100RFC-3.jpg"
    ],
    "price": {
        "currency": "GBP",
        "amount": 119.99,
        "regular": 119.99,
        "on_sale": false,
        "sale_ends": null,
        "includes_tax": false
    },
    "quantity_discounts": [],
    "availability": {
        "in_stock": true,
        "status": "in_stock",
        "stock_status": "",
        "minimum_quantity": 1
    },
    "attributes": [],
    "options": [
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            "type": "checkbox",
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            "values": [
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                    "name": "Dashboard Door Panel Trim Removal Tool Kit (5 Pcs)",
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    "dimensions": null,
    "weight": {
        "value": 2,
        "unit": "kg"
    },
    "rating": null,
    "reviews": [],
    "shipping": {
        "country": "GB",
        "rate": 0,
        "currency": "GBP",
        "free": true,
        "handling_days": {
            "min": 0,
            "max": 1
        },
        "transit_days": {
            "min": 2,
            "max": 5
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    "returns": {
        "accepted": true,
        "window_days": 14,
        "unlimited": false,
        "fees": "customer",
        "country": "GB",
        "policy_url": null
    },
    "warranty": "1 Year Warranty on all items",
    "updated": "2026-08-20T10:36:22+01:00",
    "store": {
        "name": "Dynamic Sounds Ltd.",
        "url": "https://dev.dynamicsounds.co.uk/",
        "currency": "GBP"
    },
    "vehicle_compatibility": {
        "header": "The years stated refer to the model's years of manufacture, please check the item description for information about any changes there may be within these productions years.",
        "count": 11,
        "vehicles": [
            {
                "make": "Alfa Romeo",
                "model": "155",
                "years": {
                    "from": 1992,
                    "to": 1998,
                    "text": "1992 - 1998"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "(Type 167)"
            },
            {
                "make": "Audi",
                "model": "80",
                "years": {
                    "from": 1991,
                    "to": 1995,
                    "text": "1991 - 1995"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "(B4)"
            },
            {
                "make": "Eagle",
                "model": "Summit",
                "years": {
                    "from": 1992,
                    "to": 1996,
                    "text": "1992 - 1996"
                },
                "product_type": "Speaker Upgrade Packs"
            },
            {
                "make": "Holden",
                "model": "Cruze",
                "years": {
                    "from": 2002,
                    "to": 2006,
                    "text": "2002 - 2006"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "(YG)"
            },
            {
                "make": "Mazda",
                "model": "121",
                "years": {
                    "from": 1990,
                    "to": 1996,
                    "text": "1990 - 1996"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "(Autozam Revue)"
            },
            {
                "make": "Nissan",
                "model": "Elgrand",
                "years": {
                    "from": 2002,
                    "to": 2010,
                    "text": "2002 - 2010"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "E51"
            },
            {
                "make": "Renault",
                "model": "Kangoo",
                "years": {
                    "from": 1999,
                    "to": 2008,
                    "text": "1999 - 2008"
                },
                "product_type": "Speaker Upgrade Packs"
            },
            {
                "make": "Saab",
                "model": "9-4X",
                "years": {
                    "from": 2011,
                    "to": 2012,
                    "text": "2011 - 2012"
                },
                "product_type": "Speaker Upgrade Packs"
            },
            {
                "make": "Suzuki",
                "model": "Ignis",
                "years": {
                    "from": 2000,
                    "to": 2004,
                    "text": "2000 - 2004"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "(FH)"
            },
            {
                "make": "Vauxhall",
                "model": "Corsa",
                "years": {
                    "from": 2006,
                    "to": 2014,
                    "text": "2006 - 2014"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "D"
            },
            {
                "make": "Volkswagen",
                "model": "Transporter",
                "years": {
                    "from": 1990,
                    "to": 2003,
                    "text": "1990 - 2003"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "T4"
            }
        ],
        "product_type_description": "0"
    }
}