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Martin Logan Motion SLM X3 Ultra-Slim 3-Channel Soundbar
Experience immersive audio with the ultra-slim Martin Logan Motion SLM X3 soundbar. Its high-performance design features advanced drivers for rich sound, perfect for your home theater.
Product details
- Brand
- MartinLogan
- Manufacturer
- MartinLogan
- Model Number
- —
- MPN
- —
- UPC
- —
- SKU
- —
- ASIN
- B078X3NLSW
- Unit Count
- —
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Prices last updated: August 3, 2026 9:15 am
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| Price | $949.99 |
-30% $487.99
List $699.99 | $39.95 | $269.99 |
|---|---|---|---|---|
| Customer rating | ||||
| Brand Name | — | — | JBL | — |
| Model Number | — | — | JBLT510BTROSAM | — |
| Color | Gloss Black | Black | Rose | Red Walnut |
| Item Weight | 208.01 Ounces | 20.06 Pounds | 5.6 Ounces | 5.4 kg |
| Dimensions | — | — | — | 3.74"D x 4.49"W x 11.4"H |
| Charging Time | — | — | 2 Hours | — |
| Bluetooth Version | — | — | 5.0 | — |
| Connectivity Technology | HDMI | Bluetooth, HDMI | — | — |
| Compatible Devices | Television | Smartphone | — | — |
| Compatibility | — | — | — | Projector, Television |
| Control Method | App | Remote | — | Remote |
| Frequency Response | — | 20 Hz | — | — |
| Impedance | 4 Ohms | — | — | — |
| Material | — | — | — | Aluminum |
| ASIN | B078X3NLSW | B0DY1Z31MC | B092CP8ZH4 | B07YTGFGJS |
| Audio Output Mode | Stereo | Surround | — | — |
| Battery Average Life | — | — | 40 Hours | — |
| Enclosure Material | Aluminum, Steel, Plastic | — | — | — |
| Frequency Range | — | — | 20 Hz – 20 kHz | — |
| Item Dimensions | — | 11.64"D x 40.55"W x 13.5"H | — | — |
| Maximum Output Power | 140 Watts | — | — | — |
| Mounting Type | Bar Mount | Wall Mount | — | — |
| Number of Audio Channels | 3.0 | 3.1.2 | — | — |
| Power Source | — | Corded Electric | — | — |
| Speaker Size | — | 6.5 Inches | — | 5.25 Inches |
| Speaker Type | Woofer | Soundbar | — | Bookshelf, Surround Sound |
| Subwoofer Diameter | 4 Inches | — | — | 5.25 Inches |
| Warranty | — | 1 Year | — | — |
Martin Logan Motion SLM X3 Ultra-Slim 3-Channel Soundbar Price History
See exactly how the price has moved over the last 6 months. Use this chart to time your purchase and buy at the lowest price.
Full 6-month Keepa Amazon/New price steps, rendered as an Option Cutter chart.
Historically the best time to buy products is during Black Friday, Amazon Prime Day, and Back to School sales. Track the price above and set a target before you buy.
Overview
Full expert overview · Martin Logan Motion SLM X3 Ultra-Slim…
Martin Logan Motion SLM X3 Ultra-Slim 3-Channel Soundbar — Upgrade your TV’s sound without sacrificing style. The Martin Logan Motion SLM X3 is an ultra-slim L‑C‑R (3.0) passive soundbar engineered for…
Upgrade your TV’s sound without sacrificing style. The Martin Logan Motion SLM X3 is an ultra-slim L‑C‑R (3.0) passive soundbar engineered for clear dialogue, precise imaging and deep, controlled bass when paired with a wired subwoofer. Ideal for wall- or bar-mounted home theater systems and slim modern TVs.
Key features
- COLORGloss Black — Blends with modern kitchens and stays easy to clean day to day.
- AUDIO OUTPUT MODEStereo
- MOUNTING TYPEBar Mount
- ENCLOSURE MATERIALAluminum, Steel, Plastic
- SPEAKER TYPEWoofer
- SUBWOOFER DIAMETER4 Inches
- CONTROL METHODApp
- COMPATIBLE DEVICESTelevision
Who should buy this
Researcher
Spec-focused buyers
Buyers who want the feature set and build quality highlighted in this review.
Gifter
Buying for someone else
Gifters looking for a practical, recognizable upgrade that will get daily use.
Deal hunter
Value and timing
Deal hunters timing a purchase with the price-history chart on this page.
Why Buy the Martin Logan Motion SLM X3 Ultra-Slim 3-Channel Soundbar
Full “Why buy” · Martin Logan Motion SLM X3 Ultra-Slim…
The ultra-slim Martin Logan Motion SLM X3 arrives in the premium home audio space that shoppers often cross-shop with Sonos Arc, Sennheiser AMBEO, and Bose Smart Soundbar 900. Its single strongest selling point is a high-performance, ultra-slim design with advanced drivers that promises rich, home-theater-grade sound without a bulky footprint.
Top 7 reasons to buy
Lifestyle fit
Perfect for you if:
- you prioritize slim aesthetics in a living room with a wall-mounted TV
- you host movie nights and want fuller, richer sound without separate speakers
- you value brand credibility and refined industrial design
- you have limited floor space but demand premium audio fidelity
- you want a single, high-performance device rather than a multicomponent system
Reconsider if:
- you need wireless multiroom speaker ecosystems (search Sonos family instead)
- you require fully discrete surround speakers and a subwoofer bundle (search dedicated AV receiver systems)
- your budget is under ~$400 (search entry-level soundbars)
Price intelligence at typical retail
- This tier adds markedly better driver configuration and build quality versus entry-level models.
- The second upgrade benefit is improved spatial performance for films and music that cheaper bars typically can’t replicate.
- The third upgrade or ecosystem benefit is reduced need for additional speakers-one soundbar serves as the centerpiece.
- Long-term cost: single-unit ownership reduces maintenance and avoids subscription costs; resale value tends to hold better for premium audio.
- Budget reality: a $400 alternative sacrifices driver performance and likely depth/clarity.
- Premium context: a $1,500+ flagship may add more channels or room-calibration tech-most buyers won’t need that extra complexity.
Head to head
Quick affiliate-style matchups against common alternatives — wins, trade-offs, and who should buy which.
Martin Logan Motion SLM X3… vs Sonos Arc
- Win Noise control and everyday listening comfort for the money
- Loss Sonos Arc may win on a specialty feature set or ecosystem lock-in
Pick Martin Logan Motion SLM X3 Ultra-Slim when that win matters most; consider Sonos Arc if their specialty feature is your top priority
Martin Logan Motion SLM X3… vs Sennheiser AMBEO
- Win Noise control and everyday listening comfort for the money
- Loss Sennheiser AMBEO may win on a specialty feature set or ecosystem lock-in
Pick Martin Logan Motion SLM X3 Ultra-Slim when that win matters most; consider Sennheiser AMBEO if their specialty feature is your top priority
Martin Logan Motion SLM X3… vs Bose Smart Soundbar 900
- Win Noise control and everyday listening comfort for the money
- Loss Bose Smart Soundbar 900 may win on a specialty feature set or ecosystem lock-in
Pick Martin Logan Motion SLM X3 Ultra-Slim when that win matters most; consider Bose Smart Soundbar 900 if their specialty feature is your top priority
Martin Logan Motion SLM X3… vs Samsung HW-Q990C
- Win Noise control and everyday listening comfort for the money
- Loss Samsung HW-Q990C may win on a specialty feature set or ecosystem lock-in
Pick Martin Logan Motion SLM X3 Ultra-Slim when that win matters most; consider Samsung HW-Q990C if their specialty feature is your top priority
Social proof
Premium soundbar buyers tend to be home-theater enthusiasts and design-minded homeowners seeking both aesthetics and audio performance. Typical purchasers are adult homeowners who host media nights and prioritize compact, high-quality audio solutions.
Conversion verdict
Expect clear ROI through years of improved listening experiences and less need for add-on speakers; price history on this page shows premium positioning at $1,009.19. Best time to buy is when promotions drop this tier or during major sale events-stock moves quickly at this level. Buy today if you want a compact, high-performance soundbar that upgrades your home theater without a large footprint.
Martin Logan Motion SLM X3 Ultra-Slim 3-Channel Soundbar Full Specifications
Highlights below; expand for the full table. Sourced from Martin. For real-world meaning—capacity, finish, cooling—see the Overview.
- Audio Output Mode · Stereo
- Mounting Type · Bar Mount
- Enclosure Material · Aluminum, Steel, Plastic
- Speaker Type · Woofer
Show full specifications table
| Audio Output Mode | Stereo |
|---|---|
| Mounting Type | Bar Mount |
| Enclosure Material | Aluminum, Steel, Plastic |
| Speaker Type | Woofer |
| Subwoofer Diameter | 4 Inches |
| Color | Gloss Black |
| Control Method | App |
| Item Weight | 208.01 Ounces |
| Compatible Devices | Television |
| Maximum Output Power | 140 Watts |
| Number of Audio Channels | 3.0 |
| Impedance | 4 Ohms |
| Connectivity Technology | HDMI |
| ASIN | B078X3NLSW |
Martin Logan Motion SLM X3 Ultra-Slim 3-Channel Soundbar Customer Ratings and Reviews
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Frequently Bought Together with the Martin Logan Motion SLM X3 Ultra-Slim 3-Channel Soundbar
Accessories and add-ons most commonlypurchased alongside the Martin Logan Motion SLM X3 Soundbar.Browse our fullPremium Home Audio & Speakers catalogfor more options.
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