{
    "schema_version": 1,
    "id": 27015,
    "name": "BLAM BL-BM100NS BLAM BMW and Mini 2-way 100 mm (4\") Component Car Speakers (PAIR)",
    "url": "https://dev.dynamicsounds.co.uk/blam-bl-bm100ns-blam-bmw-and-mini-2-way-100-mm-4-component-car-speakers-pair.html",
    "brand": "BLAM",
    "model": "BL-BM100NS",
    "sku": "BL-BM100NS",
    "gtin": "7427282718448",
    "mpn": "",
    "identifiers": {
        "model": "BL-BM100NS",
        "sku": "BL-BM100NS",
        "ean": "7427282718448"
    },
    "description": "BLAM presents the RELAX BM 100NS, a set of innovative 2-way 4 Inch (100mm) component speakers perfectly designed for BMW and Mini car models. Speaker upgrades can be more difficult on BMWs and Minis as they have very narrow 10cm slots in the doors and very specific subwoofers under the front seats. These speakers are custom made to make the installation process faster and make the sound image more precise and clear.\nThe BM 100 NS kit is a two-way system. The 25mm soft dome tweeter can be surface mounted, flush mounted or mounted in the original location. Regarding performance, this kit announces 60 Watts RMS, 88 dB and a response of 120 to 20000 Hz.\nTechnical Features\n2 x 100 mm BMW special plug & play speakers/ woofers\n2 x 25 mm soft-dome tweeters\n2 x 6 dB/octave in-line high-pass filters.\n100 mm woofer\nMax power 100 W\nNominal power 50 W\nFrequency response 80 Hz / 30 kHz\nSensitivity 90.3 dB\nImpedance 2 Ω\nCharacteristics\nWoofer/ Speakers\nOriginal BLAM glass-fiber reinforced composite salad bowl with BMW Plug & Play double connector\nHigh-quality fiberglass membrane\nPeripheral butyl surround\nSpider long life ”Conex\n25 mm voice coil on Kapton former\nNeodymium magnet 24.5 x 6 mm\nThick magnetic circuit (4 mm)\nTechnical Specifications\nComponent Speaker\nMax power 120 W\nNominal power 60 W\nImpedance 4 Ω\nFreq. Response 100 Hz - 10 KHz\nSensitivity (2,83V/1m) 88 dB\nMagnet Neodynium\nMagnet size Ø x h 24,5 x 7 mm 0,965‘’x 0,276‘’\nTotal driver displacement 0,08 l 0,003 cf\nWeight of one component 0,236 kg 0,520 lb\nVoice coil Ø 25 mm 0,984“\nVoice coil height 5 mm 0,197“\nCone Glass fiber\nTechnical Parameters\neffective Ø (d) 83 mm\nSd 54,11 cm2\nXmax 1,00 mm\nRe 3,0 Ω\nFs 116,99 Hz\nLe 34,23 µH @ 1 kHz\nL2 87,11 µH @10 kHz\nVas 1,17 L\nMms 6,52 g\nCms 0,000284 m/N\nBL 2,87 Tm\nQts 1,13\nQes 1,75\nQms 3,20\nSensitivity (dB/W/m) 83,2 dB\nAre 10cm/ 4 inch speakers good for my vehicle?\n4-inch or 10cm speakers are a compact audio solution that delivers impressive sound quality in a small package. Ideal replacements in popular smaller 3-door cars like the Vauxhall Corsa D and select Alfa Romeo, Fiat, and BMW, these lightweight speakers can easily be installed in rear doors, ensuring an unobtrusive fit. Despite their size, they produce powerful and immersive audio, making them perfect for music lovers who seek clarity without the bulk of larger equipment. Whether you're upgrading your vehicle's sound system or simply looking to reduce the size of your car audio set up, 4-inch speakers provide a remarkable audio experience that doesn’t compromise on performance.\nWhat size speakers are in my car?\nIf your unsure what speakers fit your car we would recommend using our market-leading Search By Car feature\nDimensions\n{ note_speakers }",
    "category": [
        "Speakers",
        "Speaker Upgrade Packs",
        "BMW"
    ],
    "tags": [
        "1 Series",
        "E81E82E87E88",
        "3 Series",
        "E90E91E92E"
    ],
    "images": [
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        "https://dev.dynamicsounds.co.uk/image/catalog/products/Speaker/BL-BM100NS/BL-BM100NS-01.jpg",
        "https://dev.dynamicsounds.co.uk/image/catalog/products/Speaker/BL-BM100NS/BL-BM100NS-02.jpg",
        "https://dev.dynamicsounds.co.uk/image/catalog/products/Speaker/BL-BM100NS/BL-BM100NS-03.jpg",
        "https://dev.dynamicsounds.co.uk/image/catalog/products/Speaker/BL-BM100NS/BL-BM100NS-04.jpg",
        "https://dev.dynamicsounds.co.uk/image/catalog/products/Speaker/BL-BM100NS/BL-BM100NS-05.jpg",
        "https://dev.dynamicsounds.co.uk/image/catalog/products/Speaker/BL-BM100NS/BL-BM100NS-06.jpg",
        "https://dev.dynamicsounds.co.uk/image/catalog/products/Speaker/BL-BM100NS/BL-BM100NS-07.jpg"
    ],
    "price": {
        "currency": "GBP",
        "amount": 229.99,
        "regular": 229.99,
        "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": [
        {
            "name": "Addons",
            "type": "checkbox",
            "required": false,
            "values": [
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                    "name": "Dashboard Door Panel Trim Removal Tool Kit (5 Pcs)",
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                {
                    "name": "Dashboard Trim Tool Panel (4 Pack Assorted)",
                    "price_adjustment": 7.99,
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                {
                    "name": "Recoil PMBK Sound Deadening Sheets for 2 Doors",
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                    "name": "DC 5V-90V Voltage Circuit Tester Digital Display",
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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
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        "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
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    "warranty": "1 Year Warranty on all items",
    "updated": "2025-12-03T13:58:44+00:00",
    "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": 7,
        "vehicles": [
            {
                "make": "BMW",
                "model": "1 Series",
                "years": {
                    "from": 2004,
                    "to": 2010,
                    "text": "2004 - 2010"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "E81/E82/E87/E88"
            },
            {
                "make": "BMW",
                "model": "3 Series",
                "years": {
                    "from": 2006,
                    "to": 2011,
                    "text": "2006 - 2011"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "E90/E91/E92/E93"
            },
            {
                "make": "BMW",
                "model": "3 Series",
                "years": {
                    "from": 2012,
                    "to": 2019,
                    "text": "2012 - 2019"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "F30/F31/F34"
            },
            {
                "make": "BMW",
                "model": "5 Series",
                "years": {
                    "from": 2004,
                    "to": 2010,
                    "text": "2004 - 2010"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "E60, E61"
            },
            {
                "make": "BMW",
                "model": "Z4",
                "years": {
                    "from": 2009,
                    "to": 2016,
                    "text": "2009 - 2016"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "E89"
            },
            {
                "make": "MINI",
                "model": "Clubman",
                "years": {
                    "from": 2015,
                    "to": null,
                    "text": "2015 onward"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "2nd Gen (F54)"
            },
            {
                "make": "MINI",
                "model": "Countryman",
                "years": {
                    "from": 2017,
                    "to": null,
                    "text": "2017 onward"
                },
                "product_type": "Speaker Upgrade Packs",
                "notes": "2nd Gen (F60)"
            }
        ],
        "product_type_description": "0"
    }
}