MartinLogan - Motion Dual 5-1/2" Passive 2.5-Way Floor Speaker (Each) - Gloss Black
Price range: $499.99
Brand: MartinLogan
Category: Audio
A pair of MartinLogan headphones featuring 5.5 inches drivers, 46 Hz–25 kHz frequency response, and 4Ω impedance.
PQS: 97 (computed 2026-05-09 07:06)
GTIN-14: 00810123024582
Key specs
A human-friendly subset of populated specs
Driver
5.5 inches
Frequency response
46 hertz - 25 kilohertz
Impedance (ohms)
4
Wireless (BT/WiFi)
No
Offers
| Retailer | SKU | Price | Stock | Offer | Last seen |
|---|---|---|---|---|---|
| Best Buy | 6371183 | 499.99 USD | In stock | View offer → | 2026-05-10 02:02 |
Recent price history (50)
Show price log (50 entries)
| Retailer | Price | Stock | Seen at |
|---|---|---|---|
| bestbuy | 499.99 USD | In stock | 2026-05-10 02:02 |
| bestbuy | 499.99 USD | In stock | 2026-05-09 01:54 |
| bestbuy | 499.99 USD | In stock | 2026-05-08 02:04 |
| bestbuy | 499.99 USD | In stock | 2026-05-07 01:51 |
| bestbuy | 499.99 USD | In stock | 2026-05-06 01:56 |
| bestbuy | 499.99 USD | In stock | 2026-05-05 01:56 |
| bestbuy | 499.99 USD | In stock | 2026-05-04 02:03 |
| bestbuy | 499.99 USD | In stock | 2026-05-03 01:52 |
| bestbuy | 499.99 USD | In stock | 2026-05-02 01:48 |
| bestbuy | 499.99 USD | In stock | 2026-05-01 01:51 |
| bestbuy | 499.99 USD | In stock | 2026-04-30 02:00 |
| bestbuy | 499.99 USD | In stock | 2026-04-29 01:53 |
| bestbuy | 499.99 USD | In stock | 2026-04-28 02:03 |
| bestbuy | 499.99 USD | In stock | 2026-04-26 02:03 |
| bestbuy | 499.99 USD | In stock | 2026-04-25 02:00 |
| bestbuy | 499.99 USD | In stock | 2026-04-24 01:53 |
| bestbuy | 499.99 USD | In stock | 2026-04-23 01:55 |
| bestbuy | 499.99 USD | In stock | 2026-04-22 01:57 |
| bestbuy | 499.99 USD | In stock | 2026-04-21 02:00 |
| bestbuy | 499.99 USD | In stock | 2026-04-20 02:03 |
| bestbuy | 499.99 USD | In stock | 2026-04-19 01:58 |
| bestbuy | 499.99 USD | In stock | 2026-04-18 02:00 |
| bestbuy | 499.99 USD | In stock | 2026-04-17 02:04 |
| bestbuy | 499.99 USD | In stock | 2026-04-16 02:00 |
| bestbuy | 499.99 USD | In stock | 2026-04-15 02:00 |
| bestbuy | 499.99 USD | In stock | 2026-04-14 01:53 |
| bestbuy | 499.99 USD | In stock | 2026-04-13 01:54 |
| bestbuy | 499.99 USD | In stock | 2026-04-12 02:03 |
| bestbuy | 499.99 USD | In stock | 2026-04-11 02:00 |
| bestbuy | 499.99 USD | In stock | 2026-04-10 01:58 |
| bestbuy | 499.99 USD | In stock | 2026-04-09 02:02 |
| bestbuy | 499.99 USD | In stock | 2026-04-08 01:58 |
| bestbuy | 499.99 USD | In stock | 2026-04-05 02:00 |
| bestbuy | 499.99 USD | In stock | 2026-04-04 02:00 |
| bestbuy | 499.99 USD | In stock | 2026-04-03 01:56 |
| bestbuy | 499.99 USD | In stock | 2026-04-02 01:59 |
| bestbuy | 499.99 USD | In stock | 2026-04-01 01:57 |
| bestbuy | 499.99 USD | In stock | 2026-03-31 02:07 |
| bestbuy | 499.99 USD | In stock | 2026-03-30 01:53 |
| bestbuy | 499.99 USD | In stock | 2026-03-29 02:04 |
| bestbuy | 499.99 USD | In stock | 2026-03-28 02:02 |
| bestbuy | 499.99 USD | In stock | 2026-03-27 01:58 |
| bestbuy | 499.99 USD | In stock | 2026-03-26 01:53 |
| bestbuy | 499.99 USD | In stock | 2026-03-25 01:56 |
| bestbuy | 499.99 USD | In stock | 2026-03-24 02:00 |
| bestbuy | 499.99 USD | In stock | 2026-03-23 01:53 |
| bestbuy | 499.99 USD | In stock | 2026-03-22 01:56 |
| bestbuy | 499.99 USD | In stock | 2026-03-21 01:56 |
| bestbuy | 499.99 USD | In stock | 2026-03-20 01:55 |
| bestbuy | 499.99 USD | In stock | 2026-03-19 01:56 |
Full specs
Show full spec table
| Driver | 5.5 inches |
|---|---|
| Frequency response | 46 hertz - 25 kilohertz |
| Impedance (ohms) | 4 |
| Wireless (BT/WiFi) | No |
| Reconciled at | 2026-03-11 07:09 |
Canonical JSON (expand)
{
"os": {},
"car": {},
"cpu": {},
"gpu": {},
"core": {
"title": "MartinLogan - Motion Dual 5-1/2\" Passive 2.5-Way Floor Speaker (Each) - Gloss Black",
"seo_title": "MartinLogan MO20IGB"
},
"lens": {},
"audio": {
"driver": "5.5 inches",
"wireless": "No",
"impedance_ohms": 4,
"frequency_response": "46 hertz - 25 kilohertz"
},
"brand": "MartinLogan",
"build": {},
"model": "MO20IGB",
"ports": {},
"power": {},
"camera": {},
"gtin14": "00810123024582",
"images": [
"https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/6371/6371183_sd.jpg"
],
"memory": {},
"battery": {},
"display": {},
"release": {},
"storage": {
"form_factor": "2.5\""
},
"category": "audio",
"features": {},
"physical": {
"depth_in": 11.8,
"width_in": 6.81,
"height_in": 36.6,
"weight_kg": 14.97,
"dimensions_in": "36.6 x 6.81 x 11.8 in"
},
"thermals": {},
"warranty": {},
"wearable": {},
"appliance": {},
"networking": {},
"peripheral": {},
"smart_home": {},
"certifications": {},
"schema_version": 1
}
Related products
Simple similarity over extracted specs (publish_set only)
Debug data (expand)
| Raw title | MartinLogan - Motion Dual 5-1/2" Passive 2.5-Way Floor Speaker (Each) - Gloss Black |
|---|---|
| Raw brand | MartinLogan |
| Raw category | Best Buy > Home Audio & Speakers > Home Audio > Speakers > Floor Speakers |
Canonical highlights (populated fields only)
| core.title | MartinLogan - Motion Dual 5-1/2" Passive 2.5-Way Floor Speaker (Each) - Gloss Black |
|---|---|
| core.seo_title | MartinLogan MO20IGB |
| audio.driver | 5.5 inches |
| audio.wireless | No |
| audio.impedance_ohms | 4 |
| audio.frequency_response | 46 hertz - 25 kilohertz |
| brand | MartinLogan |
| model | MO20IGB |
| gtin14 | 00810123024582 |
| images[0] | https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/6371/6371183_sd.jpg |
| storage.form_factor | 2.5" |
| category | audio |
| physical.depth_in | 11.8 |
| physical.width_in | 6.81 |
| physical.height_in | 36.6 |
| physical.weight_kg | 14.97 |
| physical.dimensions_in | 36.6 x 6.81 x 11.8 in |
| schema_version | 1 |
BestBuy raw specs (pretty)
Expand BestBuy raw JSON
{
"sku": 6371183,
"upc": "810123024582",
"url": "https://api.bestbuy.com/click/-/6371183/pdp",
"name": "MartinLogan - Motion Dual 5-1/2\" Passive 2.5-Way Floor Speaker (Each) - Gloss Black",
"image": "https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/6371/6371183_sd.jpg",
"details": [
{
"name": "Brand",
"value": "MartinLogan",
"values": [
"MartinLogan"
]
},
{
"name": "Model Number",
"value": "MO20IGB",
"values": [
"MO20IGB"
]
},
{
"name": "Product Name",
"value": "Motion Dual 5-1/2\" Passive 2.5-Way Floor Speaker (Each)",
"values": [
"Motion Dual 5-1/2\" Passive 2.5-Way Floor Speaker (Each)"
]
},
{
"name": "Color",
"value": "Gloss Black",
"values": [
"Gloss Black"
]
},
{
"name": "Speaker Type",
"value": "Floorstanding",
"values": [
"Floorstanding"
]
},
{
"name": "Enclosure Type",
"value": "Ported",
"values": [
"Ported"
]
},
{
"name": "Impedance",
"value": "4 ohms",
"values": [
"4 ohms"
]
},
{
"name": "Minimum Frequency Response",
"value": "46 hertz",
"values": [
"46 hertz"
]
},
{
"name": "Maximum Frequency Response",
"value": "25 kilohertz",
"values": [
"25 kilohertz"
]
},
{
"name": "Sensitivity",
"value": "90 decibels",
"values": [
"90 decibels"
]
},
{
"name": "Number of Speakers",
"value": "1",
"values": [
"1"
]
},
{
"name": "Number of Tweeters",
"value": "1",
"values": [
"1"
]
},
{
"name": "Number of Drivers",
"value": "3",
"values": [
"3"
]
},
{
"name": "Number of Woofers",
"value": "2",
"values": [
"2"
]
},
{
"name": "Woofer Size",
"value": "5.5 inches",
"values": [
"5.5 inches"
]
},
{
"name": "Speaker Connectivity",
"value": "Wired",
"values": [
"Wired"
]
},
{
"name": "Wireless Multi-Room Audio",
"value": "No",
"values": [
"No"
]
},
{
"name": "Audio Only Inputs",
"value": "No audio only inputs",
"values": [
"No audio only inputs"
]
},
{
"name": "Network Connector(s)",
"value": "No network connectors",
"values": [
"No network connectors"
]
},
{
"name": "Speaker Wire Connection Type",
"value": "Binding posts",
"values": [
"Binding posts"
]
},
{
"name": "Indoor Or Outdoor Use",
"value": "Indoor",
"values": [
"Indoor"
]
},
{
"name": "Product Height",
"value": "36.6 inches",
"values": [
"36.6 inches"
]
},
{
"name": "Product Width",
"value": "6.81 inches",
"values": [
"6.81 inches"
]
},
{
"name": "Product Depth",
"value": "11.8 inches",
"values": [
"11.8 inches"
]
},
{
"name": "Product Weight",
"value": "33 pounds",
"values": [
"33 pounds"
]
},
{
"name": "Woofer Material",
"value": "Aluminum",
"values": [
"Aluminum"
]
},
{
"name": "Warranty - Parts",
"value": "90 Days",
"values": [
"90 Days"
]
},
{
"name": "Warranty - Labor",
"value": "90 Days",
"values": [
"90 Days"
]
}
],
"features": [
{
"feature": "20-200W recommended amplifier power\nEnsures robust and controlled audio that is crisp and clear."
},
{
"feature": "Dual 5-1/2\" aluminum cone woofers\nAlong with a 1\" x 1.4\" Folded Motion tweeter with 5.25\" x 1.75\" diaphragm, offer a complete range of sounds."
},
{
"feature": "Proprietary Vojtko™ crossovers networks\nDesigned in such a way that all drivers are kept within their optimal frequency range and balanced with one another."
},
{
"feature": "Low-mounted woofers minimize floor bounce\nThis floorstanding speaker uses 2.5-way designs that feature woofers positioned low in the cabinet and close to the floor and delivers a flat, balanced response through the bass and midrange regions."
},
{
"feature": "Custom five-way bi-wire toolless binding posts\nAssure a stable connection while accommodating a wide range of connection options."
},
{
"feature": "Modern design with luxurious finish\nThe solid cabinet, designed to eliminate fidelity robbing vibrations, is constructed from 0.7\" MDF with 1.2\" thick front baffles."
},
{
"feature": "46Hz - 25kHz frequency response (±3dB)\nEnsures a wide range of accurately reproduced sounds."
},
{
"feature": "90dB sensitivity\nDelivers crisp, robust audio."
},
{
"feature": "4-ohm nominal impedance\nAllows efficient conduction of power through the speaker. Compatible with 4-, 6-, or 8-ohm rated amplifiers."
}
],
"condition": "New",
"salePrice": 499.99,
"categoryPath": [
{
"id": "cat00000",
"name": "Best Buy"
},
{
"id": "abcat0200000",
"name": "Home Audio & Speakers"
},
{
"id": "pcmcat241600050001",
"name": "Home Audio"
},
{
"id": "abcat0205000",
"name": "Speakers"
},
{
"id": "abcat0205003",
"name": "Floor Speakers"
}
],
"manufacturer": "MartinLogan",
"regularPrice": 999.99,
"shippingCost": 0.0,
"longDescription": "Elevate your music listening experience with this gloss black MartinLogan Motion Series tower speaker. The dual 5.5-inch aluminum cone woofers are low-mounted to produce thundering bass while reducing floor bounce, and the Folded Motion tweeter ensures the high-frequency sounds are clear. This MartinLogan Motion Series tower speaker features solid cabinets to reduce vibrations.",
"shortDescription": null,
"onlineAvailability": true,
"inStoreAvailability": true
}
Newegg raw specs
No Newegg raw specs saved for this product yet.