Specifications
- Speaker TypeBookshelfRMS Power75 watts
- Key Specs
- Speaker Type: Bookshelf
- RMS Power: 75 watts (The maximum amount of continuous power the device is able to handle.)
- General
- Brand: MartinLogan
- Model Number: MO4IBL
- Product Name: Motion 4" 75-Watt Passive 2-Way Bookshelf Speaker (Each)
- Color: Gloss black
- Audio
- Speaker Type: Bookshelf
- Enclosure Type: Ported
- RMS Power: 75 watts (The maximum amount of continuous power the device is able to handle.)
- Peak Power Handling: 150 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: 70 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: 23 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: 90 decibels
- Number of Speakers: 1
- Number of Tweeters: 1
- Tweeter Size: 1 inches
- Number of Midranges: 0
- Number of Drivers: 2
- Driver Size: 1 inches
- Number of Woofers: 1
- Woofer Size: 4 inches
- Connectivity
- 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 3.5mm audio
- Network Connector(s): No network connectors
- 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: 12.6 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: 5.6 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: 5.7 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: 6 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.)
- Other
- UPC: 810123023097
Listen to quality audio and smooth, refined sound with this MartinLogan Motion bookshelf speaker. The powerful bass technology delivers rich low tones, and the lightning-fast, lightweight tweeter diaphragm ensures clarity and good dynamic range. The flexible installation of this MartinLogan Motion bookshelf speaker gives you tabletop, wall-mounting and upside-down placement options.
- 75W peak power handling: Helps ensure rich, dynamic sound.
- 4" paper woofer: Along with 1" x 1.4" tweeter for a complete range of sounds.
- 2-way speaker system: Sounds like 1 source rather than several separate sources.
- Bass reflex enclosure: With a rear-firing port promotes optimal performance.
- Bookshelf- or wall-mountable: For optimal placement.
- 70Hz - 23kHz frequency response: Ensures a wide range of accurately reproduced sound.
- 90dB sensitivity: Ensures crisp, robust audio.
- 4 ohms nominal impedance: Ensures efficient conduction of power through the speaker.
Whats Included
- MartinLogan Motion 4" 75-Watt Passive 2-Way Bookshelf Speaker (Each)
- Wall mounting brackets
Q: What kind of woofer does this speaker have?
A: This speaker has a 4-inch paper woofer, along with a 1-inch x 1.4-inch tweeter for a complete range of sounds.
Q: Can I mount these speakers on the wall?
A: Yes, these speakers are bookshelf or wall-mountable for optimal placement.
Q: Does this MartinLogan speaker system have a bass reflex enclosure?
A: Yes, it has a bass reflex enclosure with a rear-firing port that promotes optimal performance.
Q: How much peak power can this speaker handle?
A: This speaker has a peak power handling of 75W, which helps ensure a rich and dynamic sound.
Q: What is the frequency response for this MartinLogan speaker?
A: The frequency response is 70Hz - 23kHz, ensuring a wide range of accurately reproduced sound.
Q: Is there anyway to order new mounting brackets for these?
A: Support at Martin Logan's website.
Q: Could this speaker be used with a receiver and turntable?
A: Yes, that's how I use mine. It's a fantastic entry-level "audiophile" speaker, but keep in mind the bass is limited because it's so small. I use a subwoofer as well.
Q: what floor stands can I use?
A: The SANS Adjustable Speaker Stands work well with these. The speaker will basically just sit on top of the stand and be held in place with a sticking rubber pad but if you are not in a high traffic area they are fine. If you bump into them the speaker could fall off. If you can attach directly to wall it is better - just run the speaker wire behind the floor molding or behind the drywall if you can.
MartinLogan - Motion 4" 75-Watt Passive 2-Way Bookshelf Speaker (Each) - Gloss black
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| Pros for MartinLogan - Motion 4" 75-Watt Passive 2-Way Bookshelf Speaker (Each) - Gloss black | |||
|---|---|---|---|
| Sound Quality, Size, Wall Mount, Volume, Lows | Sound Quality, Tweeter | Sound Quality, Size | Sound Quality, Size, Ease of use, Price, Appearance |
| Cons for MartinLogan - Motion 4" 75-Watt Passive 2-Way Bookshelf Speaker (Each) - Gloss black | |||
| Bass | There were no cons for this product— | There were no cons for this product— | There were no cons for this product— |
Specs
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Reviews
Customers are saying
Customers are positive about the sound quality and size of the Motion 4" 75-Watt Passive 2-Way Bookshelf Speaker. Many appreciate the speaker's ability to mount on walls and its decent volume. However, customers are negative about the bass response, noting that a subwoofer may be needed to enhance the low-frequency sound. The lack of deep bass is a common concern among users.
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.
- Rated 5 out of 5 stars
Great for Heights and Good for Surrounds!
I use these speakers as my surround and heights for my theater. Love the style of them and they do sound great. They lack base, but for surrounds/heights its not too important. They have enough to get the job done thats for sure. I plan on upgrading them soon though. I'm going to keep them as heights but not as surrounds. For Height/Atmos, theyre perfect!
Posted by CaseyJ
- Rated 5 out of 5 stars
Audiophile performance without breaking the bank
These compact satalite speakers are really just that good fir the price. The folded motion tweeter gives you a crisp and airy sound with tons of detail. The sound stage is very large for this size of a speaker the ported mid bass has great low end that match some of the larger speakers in the martin logan range. If you do consider to purchase these get a subwoofer to help with the lower frequencies. These are a must have for anyone getting into speakers I cant give them any higher praise than that.
Posted by Nikekid
- Rated 5 out of 5 stars
ML surrounds
Was able to find a steal of a deal on an open box pair. They're being used as side surrounds in a ML 5.2.4 configuration. They sound great to my ears. Blend well with my Motion 40 and 50. Install was easy. The bracket they come with doesn't allow you to angle the speaker. Works well in my application still. Seem easy to drive with an older Marantz 6013. Solid build and clean sound as surrounds or fill.
Posted by justjeff