Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Optimal Audio Cuboid 15: 15" Passive Speaker, 500W, 132dThe Optimal Audio Cuboid 15 is a powerful and versatile 15 inch two way passive loudspeaker designed for high output applications. It delivers rich, detailed sound with exceptional bass and clarity, making it ideal for large venues such as bars, restaurants, wedding venues, and houses of worship. Features High Output Performance: Capable of delivering a maximum SPL of 132dB peak, ensuring powerful sound projection suitable for large spaces. Two Way
The Optimal Audio Cuboid 15 is a powerful and versatile 15-inch two-way passive loudspeaker designed for high-output applications. It delivers rich, detailed sound with exceptional bass and clarity, making it ideal for large venues such as bars, restaurants, wedding venues, and houses of worship.
Features
- High Output Performance: Capable of delivering a maximum SPL of 132dB peak, ensuring powerful sound projection suitable for large spaces.
- Two-Way Design: Features a 15" low frequency driver for enhanced bass and a 1" high frequency compression driver for clear vocal reproduction.
- Rotatable Horn: The user-rotatable horn allows for flexible sound coverage in both horizontal and vertical planes.
- Flexible Installation: Can be mounted in either portrait or landscape orientation using the included mounting hardware.
- Wooden Cabinet: Constructed with a trapezoid wooden cabinet for durability and acoustic performance.
- Wide Frequency Response: Offers a frequency response of 58Hz - 18kHz ± 3dB, ensuring a rich audio experience.
Specifications
- Type: Two-way, full range, passive loudspeaker
- Frequency Response: 58Hz – 18kHz ± 3dB, -10dB @ 40Hz
- Drivers: LF: 15” (380mm) ferrite motor system; HF: 1” (25mm) exit/1.75” (44mm) voice coil, polyimide dome compression driver
- Rated Power: 500W (AES), 2000W (Peak)
- Nominal Impedance: 8 Ohms
- Sensitivity (1W/1m): 99dB
- Maximum SPL: 126dB (cont), 132dB (peak)
- Crossover: 2.3kHz passive
- Dispersion: 80° H x 50° V (user-rotatable)
- Enclosure: Trapezoid wooden cabinet
- Finish: Black textured paint
- Protective Grille: Black perforated steel with scrim cloth backing
- Connectors: 2x NL4 type
- Pin Connections (Input): 1+/1-
- Fittings: 19 x M8, inset bolts
- Dimensions: (W) 426.5mm x (H) 691.5mm x (D) 416mm
- Weight: 28kg (61.73lbs)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 2478 reviews
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Product Reviews
★★★★★ 3
Our dog loves it but it wasn’t durable enough to last
Color: Dogwood Jack, Size: Large, Color: Dogwood Jack, Size: Large
Our lab took to it as soon as we gave it to her. Perfect size for our 80 lb yellow lab.
However, now that it’s in about 10 days, she’s able to break off chunks from this bone that are dime size or larger, and we have to throw it away
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
★★★★★ 5
No problems after a year and a half
Color: Dogwood & Calming, Size: Medium
Have been regularly buying these for my corgi for about a year and a half. The 2 pack lasts about a month or 2 each time. Pieces break off in small enough pieces that they safely pass through his digestive system. He gnaws each one down to about 1/4 the original size before we take it away and give him a new one. He continues to have regular bowel movements and has a healthy appetite so I can’t imagine any problems arising after so long.
I have tried other alternatives and every other similar chew breaks off in larger pieces and didn’t feel comfortable letting him chew/eat them. I noticed there are a few 1 star reviews saying their dogs got sick off these but after a year and a half I have had 0 issues with this product. I guess it depends on the dog and how big of pieces they are swallowing. My dog ingests pieces about the size of a grain of rice so just pay attention and you should be fine.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Long lasting and safer alternative to sticks
Color: Dogwood & Calming, Size: Medium
These are great, very durable, and have lasted a very long time. Much safer for my dogs than the random sticks they find in the yard. They do get shorter with chewing eventually, but they don't break off in little chunks like I've seen with some nylon chews, and they don't splinter like wood. Medium size works well for both my 16 lb Cavalier and my 60 lb Pyrenees/Golden mix. They're both moderate-to-aggressive chewers, though size obviously affects how much damage they can do.
I wish you could buy the hemp chew separately because that one is very much a favorite in my house, so after 2 years and 2 purchases, I have barely any left of the remaining hemp chew, but still 2 of the dogwood chews that neither dog is as interested in anymore. I'd love to buy a couple more of just the hemp one.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Your dog will thank you.
Color: Dogwood & Fresh Breath, Size: Large
My dogs loves to chew on these. They make a small mess but not as bad as other chews. They are food for keeping teeth clean.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Nice chew toy
Color: Dogwood Mushroom, Size: Medium, Color: Dogwood Mushroom, Size: Medium
Super durable and puppy loves it. It was a bit hard for her at first but now at 5 months it’s one of her favorite things to gnaw on! It is heavy for the size but seems to be great quality and has given many hours of chew time with minimal wear.
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Reviewed in the United States on March 12, 2026
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