Home Audio MartinLogan Dynamo Foundation 12, 12” Sealed, Powered Subwoofer…

MartinLogan - Dynamo Foundation 12, 12” Sealed, Powered Subwoofer, with Magnitude MT-700 Amplifier, DSP-Optimized, and Wireless Ready - Brushed Black

Price range: $639.99
Brand: MartinLogan
Category: Audio
A pair of MartinLogan headphones featuring 12 inches drivers and 24 Hz–200 kHz frequency response.
PQS: 90 (computed 2026-03-17 07:14:03.385317+00:00)
GTIN-14: 00810123026913
MartinLogan - Dynamo Foundation 12, 12” Sealed, Powered Subwoofer, with Magnitude MT-700 Amplifier, DSP-Optimized, and Wireless Ready - Brushed Black

Key specs

A human-friendly subset of specs (non-null)
Driver
12 inches
Frequency response
24 hertz - 200 kilohertz
Wireless (BT/WiFi)
Yes

Offers

Retailer SKU Price Stock Offer Last seen
Best Buy 6587718 639.99 USD In stock View offer → 2026-03-17 03:50:02.109964+00:00

Recent price history (50)

Retailer Price Stock Seen at
bestbuy 639.99 USD In stock 2026-03-17 03:50:02.109964+00:00
bestbuy 639.99 USD In stock 2026-03-16 03:47:21.730244+00:00
bestbuy 639.99 USD In stock 2026-03-15 03:37:34.355244+00:00
bestbuy 639.99 USD In stock 2026-03-14 03:41:17.108724+00:00
bestbuy 639.99 USD In stock 2026-03-13 03:51:20.310372+00:00
bestbuy 639.99 USD In stock 2026-03-12 03:41:09.768095+00:00
bestbuy 639.99 USD In stock 2026-03-11 03:39:11.880138+00:00
bestbuy 639.99 USD In stock 2026-03-10 03:47:57.851188+00:00
bestbuy 639.99 USD In stock 2026-03-09 03:48:23.551326+00:00
bestbuy 639.99 USD In stock 2026-03-06 06:39:12.660015+00:00
bestbuy 639.99 USD In stock 2026-03-03 02:29:12.953929+00:00
bestbuy 639.99 USD In stock 2026-03-02 08:59:07.841840+00:00

Full specs

Show full spec table
Driver12 inches
Frequency response24 hertz - 200 kilohertz
Wireless (BT/WiFi)Yes
Reconciled at2026-03-06 10:20:22.157613+00:00
Canonical JSON (expand)
{
  "os": {
    "name": null
  },
  "car": {
    "type": null,
    "finish": null,
    "din_type": null,
    "included": null,
    "material": null,
    "compatibility": null,
    "included_trim": null,
    "included_screws": null,
    "included_harness": null,
    "included_adapters": null,
    "included_brackets": null,
    "compatibility_make": null,
    "compatibility_model": null,
    "compatibility_years": null,
    "included_connectors": null,
    "included_instructions": null,
    "retains_factory_features": null
  },
  "cpu": {
    "cores": null,
    "tdp_w": null,
    "socket": null,
    "threads": null,
    "npu_tops": null,
    "cpu_model": null,
    "lithography": null,
    "base_clock_ghz": null,
    "boost_clock_ghz": null
  },
  "gpu": {
    "tdp_w": null,
    "chipset": null,
    "outputs": null,
    "vram_gb": null,
    "gpu_type": null,
    "gpu_model": null,
    "vram_type": null,
    "base_clock_mhz": null,
    "boost_clock_mhz": null
  },
  "core": {
    "title": "MartinLogan - Dynamo Foundation 12, 12” Sealed, Powered Subwoofer, with Magnitude MT-700 Amplifier, DSP-Optimized, and Wireless Ready - Brushed Black",
    "seo_title": "MartinLogan DYNFND12D"
  },
  "lens": {
    "mount": null,
    "weight": null,
    "focal_length": null,
    "max_aperture": null,
    "stabilization": null
  },
  "audio": {
    "driver": "12 inches",
    "wireless": "Yes",
    "technology": null,
    "impedance_ohms": null,
    "speakers_count": null,
    "wireless_codecs": null,
    "hi_res_certified": null,
    "frequency_response": "24 hertz - 200 kilohertz"
  },
  "brand": "MartinLogan",
  "build": {
    "screen_glass": null,
    "chassis_material": null
  },
  "color": null,
  "extra": null,
  "model": "DYNFND12D",
  "ports": {
    "hdmi": null,
    "usb_a": null,
    "usb_c": null,
    "sd_card": null,
    "summary": null,
    "ethernet": null,
    "sim_slot": null,
    "displayport": null,
    "thunderbolt": null,
    "headphone_jack": null
  },
  "power": {
    "psu_watts": null
  },
  "camera": {
    "mount": null,
    "sensor": null,
    "weight": null,
    "iso_range": null,
    "megapixels": null,
    "rear_megapixels": null,
    "front_megapixels": null,
    "video_resolution": null,
    "windows_hello_ir": null
  },
  "gtin14": "00810123026913",
  "images": [
    "https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/967220fa-49ac-4c5b-bf56-e66c206c594e.jpg"
  ],
  "memory": {
    "ram_gb": null,
    "channels": null,
    "ram_type": null,
    "speed_mhz": null
  },
  "series": null,
  "battery": {
    "life_hours": null,
    "capacity_wh": null,
    "capacity_mah": null
  },
  "display": {
    "panel_type": null,
    "resolution": null,
    "color_gamut": null,
    "hdr_formats": null,
    "touch_screen": null,
    "screen_size_in": null,
    "brightness_nits": null,
    "refresh_rate_hz": null,
    "response_time_ms": null,
    "pantone_validated": null
  },
  "release": {
    "year": null
  },
  "storage": {
    "interface": null,
    "nand_type": null,
    "read_speed": null,
    "capacity_gb": null,
    "form_factor": null,
    "write_speed": null,
    "endurance_tbw": null,
    "storage_capacity_gb": null
  },
  "category": "audio",
  "features": {
    "webcam": null,
    "windows_ai": null,
    "form_factor": null,
    "software_perks": null,
    "backlit_keyboard": null,
    "convertible_2in1": null,
    "fingerprint_reader": null
  },
  "physical": {
    "depth_in": 14.7,
    "width_in": 14.1,
    "height_in": 16.0,
    "weight_kg": 13.2,
    "dimensions_in": "16 x 14.1 x 14.7 in"
  },
  "thermals": {
    "cooling_type": null,
    "thermal_interface": null
  },
  "warranty": {
    "labor": "3 Years",
    "parts": "3 Years"
  },
  "wearable": {
    "ecg": null,
    "gps": null,
    "spo2": null,
    "skin_temp": null,
    "heart_rate": null,
    "display_type": null,
    "nfc_payments": null,
    "compatibility": null,
    "music_storage": null,
    "sleep_tracking": null,
    "display_size_in": null,
    "battery_life_days": null,
    "stress_monitoring": null,
    "smart_notifications": null,
    "workout_modes_count": null,
    "water_resistance_atm": null
  },
  "appliance": {
    "btu": null,
    "eer": null,
    "ceer": null,
    "type": null,
    "modes": null,
    "smart": null,
    "steam": null,
    "zones": null,
    "finish": null,
    "air_fry": null,
    "burners": null,
    "voltage": null,
    "inverter": null,
    "noise_db": null,
    "fuel_type": null,
    "ice_maker": null,
    "wattage_w": null,
    "convection": null,
    "depth_type": null,
    "door_alarm": null,
    "fan_speeds": null,
    "frost_free": null,
    "rack_count": null,
    "sensor_dry": null,
    "third_rack": null,
    "airflow_cfm": null,
    "energy_star": null,
    "filter_type": null,
    "glide_racks": null,
    "soil_sensor": null,
    "broiler_type": null,
    "cycles_count": null,
    "defrost_type": null,
    "garage_ready": null,
    "tub_material": null,
    "venting_type": null,
    "air_direction": null,
    "baskets_count": null,
    "capacity_cuft": null,
    "cleaning_type": null,
    "drum_material": null,
    "drying_system": null,
    "energy_rating": null,
    "lighting_type": null,
    "mounting_type": null,
    "shelves_count": null,
    "cooling_system": null,
    "dimensions_hwd": null,
    "interior_light": null,
    "place_settings": null,
    "room_size_sqft": null,
    "sanitize_cycle": null,
    "sensor_cooking": null,
    "shelf_material": null,
    "spin_speed_rpm": null,
    "turntable_size": null,
    "bottle_capacity": null,
    "convection_type": null,
    "water_dispenser": null,
    "interior_coating": null,
    "annual_energy_kwh": null,
    "cutout_dimensions": null,
    "humidity_crispers": null,
    "temperature_range": null,
    "wash_cycles_count": null,
    "oven_capacity_cuft": null,
    "water_level_control": null,
    "agitator_or_impeller": null,
    "capacity_fridge_cuft": null,
    "daily_production_lbs": null,
    "independent_controls": null,
    "capacity_freezer_cuft": null,
    "lower_oven_capacity_cuft": null,
    "upper_oven_capacity_cuft": null
  },
  "networking": {
    "ports": null,
    "cellular": null,
    "band_count": null,
    "throughput": null,
    "wifi_standard": null,
    "ethernet_ports": null
  },
  "peripheral": {
    "dpi": null,
    "rgb": null,
    "platform": null,
    "driver_mm": null,
    "vibration": null,
    "microphone": null,
    "sensor_type": null,
    "switch_type": null,
    "connectivity": null
  },
  "smart_home": {
    "learning": null,
    "resolution": null,
    "connectivity": null,
    "night_vision": null,
    "power_source": null,
    "compatibility": null,
    "chime_included": null
  },
  "certifications": {
    "energy_star": null,
    "epeat_level": null
  },
  "schema_version": 1
}
Debug data (expand)
Raw title MartinLogan - Dynamo Foundation 12, 12” Sealed, Powered Subwoofer, with Magnitude MT-700 Amplifier, DSP-Optimized, and Wireless Ready - Brushed Black
Raw brandMartinLogan
Raw categoryBest Buy > Home Audio & Speakers > Home Audio > Speakers > Home Subwoofers > Home Powered Subwoofers
Canonical highlights (non-null)
core.title MartinLogan - Dynamo Foundation 12, 12” Sealed, Powered Subwoofer, with Magnitude MT-700 Amplifier, DSP-Optimized, and Wireless Ready - Brushed Black
core.seo_title MartinLogan DYNFND12D
audio.driver 12 inches
audio.wireless Yes
audio.frequency_response 24 hertz - 200 kilohertz
brand MartinLogan
model DYNFND12D
gtin14 00810123026913
images[0] https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/967220fa-49ac-4c5b-bf56-e66c206c594e.jpg
category audio
physical.depth_in 14.7
physical.width_in 14.1
physical.height_in 16.0
physical.weight_kg 13.2
physical.dimensions_in 16 x 14.1 x 14.7 in
warranty.labor 3 Years
warranty.parts 3 Years
schema_version 1
BestBuy raw specs (pretty)
Expand BestBuy raw JSON
{
  "sku": 6587718,
  "upc": "810123026913",
  "url": "https://api.bestbuy.com/click/-/6587718/pdp",
  "name": "MartinLogan - Dynamo Foundation 12, 12” Sealed, Powered Subwoofer, with Magnitude MT-700 Amplifier, DSP-Optimized, and Wireless Ready - Brushed Black",
  "image": "https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/967220fa-49ac-4c5b-bf56-e66c206c594e.jpg",
  "details": [
    {
      "name": "Brand",
      "value": "MartinLogan",
      "values": [
        "MartinLogan"
      ]
    },
    {
      "name": "Model Number",
      "value": "DYNFND12D",
      "values": [
        "DYNFND12D"
      ]
    },
    {
      "name": "Product Name",
      "value": "Dynamo Foundation 12, 12” Sealed, Powered Subwoofer, with Magnitude MT-700 Amplifier, DSP-Optimized, and Wireless Ready",
      "values": [
        "Dynamo Foundation 12, 12” Sealed, Powered Subwoofer, with Magnitude MT-700 Amplifier, DSP-Optimized, and Wireless Ready"
      ]
    },
    {
      "name": "Color",
      "value": "Brushed Black",
      "values": [
        "Brushed Black"
      ]
    },
    {
      "name": "RMS Power",
      "value": "350 watts",
      "values": [
        "350 watts"
      ]
    },
    {
      "name": "Woofer Size",
      "value": "12 inches",
      "values": [
        "12 inches"
      ]
    },
    {
      "name": "Minimum Frequency Response",
      "value": "24 hertz",
      "values": [
        "24 hertz"
      ]
    },
    {
      "name": "Maximum Frequency Response",
      "value": "200 kilohertz",
      "values": [
        "200 kilohertz"
      ]
    },
    {
      "name": "Amplifier Class",
      "value": "D",
      "values": [
        "D"
      ]
    },
    {
      "name": "Enclosure Type",
      "value": "Sealed",
      "values": [
        "Sealed"
      ]
    },
    {
      "name": "Firing Direction",
      "value": "Down",
      "values": [
        "Down"
      ]
    },
    {
      "name": "Speaker Type",
      "value": "Floorstanding",
      "values": [
        "Floorstanding"
      ]
    },
    {
      "name": "Subwoofer Type",
      "value": "Powered",
      "values": [
        "Powered"
      ]
    },
    {
      "name": "Enclosed",
      "value": "Yes",
      "values": [
        "Yes"
      ]
    },
    {
      "name": "Peak Power Handling",
      "value": "700 watts",
      "values": [
        "700 watts"
      ]
    },
    {
      "name": "App Compatible",
      "value": "No",
      "values": [
        "No"
      ]
    },
    {
      "name": "Indoor Or Outdoor Use",
      "value": "Indoor",
      "values": [
        "Indoor"
      ]
    },
    {
      "name": "Controls",
      "value": "Volume",
      "values": [
        "Volume",
        "Phase",
        "Power on/off",
        "Low pass filter"
      ]
    },
    {
      "name": "Network Connector(s)",
      "value": "No network connectors",
      "values": [
        "No network connectors"
      ]
    },
    {
      "name": "Subwoofer Connection Type",
      "value": "RCA",
      "values": [
        "RCA"
      ]
    },
    {
      "name": "Product Height",
      "value": "16 inches",
      "values": [
        "16 inches"
      ]
    },
    {
      "name": "Product Width",
      "value": "14.1 inches",
      "values": [
        "14.1 inches"
      ]
    },
    {
      "name": "Product Depth",
      "value": "14.7 inches",
      "values": [
        "14.7 inches"
      ]
    },
    {
      "name": "Product Weight",
      "value": "29.1 pounds",
      "values": [
        "29.1 pounds"
      ]
    },
    {
      "name": "Woofer Composition",
      "value": "12\" High-Excursion, Down-Firing URP Subwoofer",
      "values": [
        "12\" High-Excursion, Down-Firing URP Subwoofer"
      ]
    },
    {
      "name": "Cable(s) Included",
      "value": "AC power",
      "values": [
        "AC power"
      ]
    },
    {
      "name": "Warranty - Parts",
      "value": "3 years",
      "values": [
        "3 years"
      ]
    },
    {
      "name": "Warranty - Labor",
      "value": "3 years",
      "values": [
        "3 years"
      ]
    }
  ],
  "features": [
    {
      "feature": "The MartinLogan Sound\nMartinLogan subwoofers are uniquely engineered to compliment the exotic thin-film technologies utilized in MartinLogan loudspeakers. Emphasizing high-performance and decor friendly aesthetics, MartinLogan subwoofers expertly blend audiophile musicality and theatrics with  dynamic output and accuracy into a compact design."
    },
    {
      "feature": "12” URP Woofer\nDynamo Foundation subwoofers have custom-designed and tuned ultra-rigid polypropylene woofers. Utilizing the same state-of-the-art Klippel analysis as MartinLogan’s more premium woofers, these proprietary drivers are specially engineered to provide high output and low distortion at an exceptional value."
    },
    {
      "feature": "Magnitude MT-700 Amplifier\nMartinLogan’s proprietary Magnitude Amplifiers unleash the full potential of the custom-engineered Dynamo Foundation woofers. The Magnitude MT-700 delivers up to 700w Peak(350w RMS) of clean power for incredible impact and effortless musicality. The ultra-efficient Class-D Magnitude MT-700 delivers commanding bass with the utmost precision and control, providing an immersive experience regardless of the content."
    },
    {
      "feature": "High-Resolution DSP Engine\nDynamo Foundation subwoofers utilize a high-resolution 200MHz DSP engine with 56-bit processing, a performance enhancement rarely found in this class of subwoofers. This level of computing power ensures the audio processing is completely free of any distortion or artifacts, allowing MartinLogan engineers to enhance its capabilities for maximum output and fidelity."
    },
    {
      "feature": "Down Firing Design\nDynamo Foundation subwoofers use a down-firing design, resulting in a clean, grille-less aesthetic to seamlessly blend into a variety of decors."
    },
    {
      "feature": "Inputs\nDynamo Foundation subwoofers feature an LFE input for a simplistic home theatre setup, as well as Stereo RCA inputs for flexible installation options with a variety of audio equipment."
    }
  ],
  "condition": "New",
  "salePrice": 639.99,
  "categoryPath": [
    {
      "id": "cat00000",
      "name": "Best Buy"
    },
    {
      "id": "abcat0200000",
      "name": "Home Audio & Speakers"
    },
    {
      "id": "pcmcat241600050001",
      "name": "Home Audio"
    },
    {
      "id": "abcat0205000",
      "name": "Speakers"
    },
    {
      "id": "abcat0205008",
      "name": "Home Subwoofers"
    },
    {
      "id": "pcmcat1763484626428",
      "name": "Home Powered Subwoofers"
    }
  ],
  "manufacturer": "MartinLogan",
  "regularPrice": 799.99,
  "shippingCost": 0.0,
  "longDescription": "MartinLogan Dynamo Foundation Subwoofers are a perfect complement to any Home Theater or Music system, delivering an immersive experience for all your content, at an exceptional value. These subwoofers merge high performance and value into a décor friendly design that can be used with any speaker system. Dynamo Foundation Subwoofers are also uniquely designed to keep pace with the renowned clarity of MartinLogan loudspeakers. Dynamo Foundation Series subwoofers are designed for high output, and low distortion thanks to MartinLogan’s URP woofers, High Resolution DSP Engine, and Magnitude series amplifiers.",
  "shortDescription": null,
  "onlineAvailability": true,
  "inStoreAvailability": true
}
Newegg raw specs
No Newegg raw specs saved for this product yet.