MartinLogan - Motion Dual 4" Passive 2-Way Bookshelf Speaker (Each) - Black
Key Accessories:
More Buying Options from Best Buy
Related Item
Specifications
- Speaker TypeBookshelfRMS Power70 watts
- Key Specs
- Speaker Type: Bookshelf
- RMS Power: 70 watts (The maximum amount of continuous power the device is able to handle.)
- General
- Brand: MartinLogan
- Model Number: MOTION SLM-XL
- Product Name: Motion Dual 4" Passive 2-Way Bookshelf Speaker (Each)
- Color: Black
- Audio
- Speaker Type: Bookshelf
- Enclosure Type: Sealed
- RMS Power: 70 watts (The maximum amount of continuous power the device is able to handle.)
- Peak Power Handling: 140 watts (The maximum amount of power an electronic device, like a speaker, can handle without damage. This refers to short bursts of power, while root mean square (RMS) power handling indicates the amount of continuous power a device can sustain. Higher levels of distortion can also occur at peak power levels when the device is powered beyond its recommended usage.)
- Impedance: 4 ohms (Describes the resistance of an electric signal throughout the system. Devices with low impedance require less power to deliver optimal signals but are more at risk for damage from overloading. Higher impedance requires more power but is more protected from overload damage.)
- Minimum Frequency Response: 100 hertz (Describes the maximum range of frequencies or musical tones a product can reproduce, from very low tones to very high treble tones. The minimum frequency or musical tone the speaker can reproduce. High treble tones have higher frequencies while low tones and deep bass have lower frequencies.)
- Maximum Frequency Response: 25 kilohertz (Describes the maximum range of frequencies or musical tones a product can reproduce, from very low tones to very high treble tones. The maximum frequency or musical tone the speaker can reproduce. High treble tones have higher frequencies while low tones and deep bass have lower frequencies.)
- Sensitivity: 94 decibels
- Number of Speakers: 1
- Number of Tweeters: 1
- Tweeter Size: 1.4 inches
- Number of Midranges: 0
- Number of Drivers: 3
- Driver Size: 4 inches
- Number of Woofers: 2
- Woofer Size: 4 inches
- Connectivity
- Speaker Connectivity: Wired
- Wireless Multi-Room Audio: false (Technology that allows multiple speakers and/or soundbars to be connected wirelessly and play audio in separate rooms.)
- Audio Only Inputs: 1 x Optical digital audio
- Network Connector(s): 1 x LAN
- Speaker Wire Connection Type: Binding posts
- Features
- App Compatible: false (The product can be connected to a program or software application on a mobile device, which then receives collected data from the product.)
- Indoor Or Outdoor Use: Indoor (Indicates the appropriate environment product was designed to be used in.)
- Dimensions
- Product Height: 34.1 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 6.4 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth: 1.9 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
- Product Weight: 9 pounds (The out of box weight of the item.)
- Included
- Cable(s) Included: None
- Speaker Wire Included: false
- Certifications Listings & Approvals
- ENERGY STAR Certified: false (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
- Warranty
- Warranty - Parts: 5 years with product registration
- Warranty - Labor: 5 years with product registration
- Other
- UPC: 877929009311
Overhaul your sound system with this MartinLogan Motion SLM XL speaker. Two 4-inch high-excursion fiber cone woofers and four passive bass radiators help you feel the beat with powerful but detailed bass. This MartinLogan Motion SLM XL speaker has a Folded Motion tweeter that delivers accurate high and mid-range tones.
- Two 4" paper woofers: Along with 1" x 1-1/2" folded motion tweeter for a complete range of sounds.
- 2-way speaker system: Sounds like 1 source rather than several separate sources.
- High gloss finish: Offers a stylish look to complement your existing décor.
- Removable grille: Remains acoustically transparent while protecting the speaker's components.
- Bookshelf- or wall-mountable: For optimal placement.
- 100Hz - 25kHz frequency response: Ensures a wide range of accurately reproduced sound.
- 94dB sensitivity: Ensures crisp, robust audio.
- 4 ohms nominal impedance: Ensures efficient conduction of power through the speaker.
Whats Included
- MartinLogan Motion Dual 4" Passive 2-Way Bookshelf Speaker (Each)
Q: Can the grille on this speaker be removed?
A: Yes, the grille can be removed. It is acoustically transparent but protects the speaker components.
Q: What is the sensitivity of this speaker?
A: This speaker has a sensitivity of 94dB, ensuring crisp and robust audio.
Q: What is the impedance of this speaker?
A: This speaker has a nominal impedance of 4 ohms.
Q: What is the frequency response range of this MartinLogan speaker?
A: This speaker has a frequency response of 100Hz - 25kHz, ensuring accurate sound reproduction across a wide range.
Q: How is this speaker able to deliver a complete range of sounds?
A: This speaker uses two 4-inch paper woofers and a 1-inch x 1-1/2-inch folded motion tweeter to deliver a complete range of sounds.
A: Hello. Thank you for your question and we hope all is well. Yes, our Folded Motion tweeters have an 80° x 80° dispersion pattern, which allows SLM and SLM XL to sound the same in a horizontal or vertical orientation, making them perfect for Left-Center-Right (LCR) system applications. We hope this helps and please let us know if you have any other questions. We appreciate your support and interest in our products.
Q: What’s the best current receiver to use with theses
A: Hello. Thank you for your question and we hope all is well. We don't have any models or brands to recommend as the speakers work with almost everything. It's pretty subjective as it will really be a matter of personal preference, including for our staff. However, something that might be helpful is we do recommend an amplifier power of 20-140 watts per channel. If you are providing around 100-140 watts per channel, you should be sending sufficient power to the speakers. We hope this helps and please let us know if there is anything else we can assist you with. We appreciate your question and support.
Compare similar products

Overhaul your sound system with this MartinLogan Motion SLM XL speaker. Two 4-inch high-excursion fiber cone woofers and four passive bass radiators help you feel the beat with powerful but detailed bass. This MartinLogan Motion SLM XL speaker has a Folded Motion tweeter that delivers accurate high and mid-range tones.

This bundle contains 3 slender MartinLogan Motion® SLM XL speakers, ideal for creating a high-performance yet low-profile home theater. With a depth under 2”, the SLM XL’s are designed to look right at home mounted next to your flat panel TV. Complete the experience by adding a powered subwoofer and surround speakers to create an incredibly detailed and immersive audio experience.

This MartinLogan Motion SLM flat-panel speaker features dual 4" fiber-cone woofers, dual 4" high-velocity passive bass radiators and a Folded Motion tweeter to deliver a stunning soundscape. The sleek profile blends seamlessly with your living space.

Upgrade your home theater with the Klipsch Next Generation Reference 30C center channel speaker. The aluminum tweeter with linear travel suspension and all new spun-copper thermoformed crystalline polymer (TCP) woofer with steeper anglies of the cones for a smoother response and improved accuracy and transparency. The Next Gen Klipsch Reference center channel speaker has a slim design that compliments todays flat panel TVs with an unobtrusive footprint.
| Pros for MartinLogan - Motion Dual 4" Passive 2-Way Bookshelf Speaker (Each) - Black | |||
|---|---|---|---|
| Sound Quality, Appearance, Design | Sound Quality | Sound Quality, Size, Appearance, Design, Wall Mount | Sound Quality, Appearance, Size, Design, Power |
| Cons for MartinLogan - Motion Dual 4" Passive 2-Way Bookshelf Speaker (Each) - Black | |||
| There were no cons for this product— | There were no cons for this product— | Bass | There were no cons for this product— |
Specs
Reviews
Rating 4.8 out of 5 stars with 33 reviews
- Sound Quality (24)
- Appearance (6)
- Design (3)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
































