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Description
Optimal Audio Cuboid 5 TX: 5" Passive Loudspeaker, 50W, TransformerThe Optimal Audio Cuboid 5 TX is a compact and powerful two way passive loudspeaker designed to deliver exceptional sound quality for distributed audio applications. With its integrated transformer, it is perfect for high quality background music and speech reproduction in various environments. Features Compact Design: The Cuboid 5 TX features a discreet 5 inch size that integrates seamlessly into any space without being visually imposing. High
The Optimal Audio Cuboid 5 TX is a compact and powerful two-way passive loudspeaker designed to deliver exceptional sound quality for distributed audio applications. With its integrated transformer, it is perfect for high-quality background music and speech reproduction in various environments.
Features
- Compact Design: The Cuboid 5 TX features a discreet 5-inch size that integrates seamlessly into any space without being visually imposing.
- High Performance: Delivers clear and rich audio with a maximum SPL of 105dB (continuous) and 111dB (peak), ensuring excellent sound reproduction.
- Flexible Mounting Options: Can be installed in either portrait or landscape orientation, providing versatility for different installation scenarios.
- Wide Sound Dispersion: Offers a coverage angle of 130° horizontal and 120° vertical, ensuring even sound distribution throughout the listening area.
- Weatherproof Option: An optional weatherproof terminal cover (sold separately) grants an IP54 rating, making it suitable for outdoor use.
- Transformer Integration: Compatible with 70V and 100V constant voltage systems, eliminating the need for individual amplifiers at each speaker location.
- Easy Setup: When used with the Zone series and WebApp, system setup and user control are straightforward and intuitive.
Specifications
- Type: Two-way, full range, passive 5" loudspeaker with transformer
- Frequency Response: 97Hz – 20kHz +/-3dB, -10dB @ 80Hz
- Drivers: LF: 5.25" (133mm) coated paper, ferrite motor system; HF: 0.75" (19mm) Silk Dome, neodymium motor system
- IP Rating: IP54 when used with accessory terminal cover
- Rated Power: 50 W (AES), 200W (peak)
- Nominal Impedance: 8 Ohms
- Sensitivity (1W/1m): 88dB
- Maximum SPL: 105dB (continuous), 111dB (peak) @ 8Ω
- Crossover Frequency: 2.5kHz
- Recommended High Pass Filter: 24dB Per Octave @ 70 Hz
- Transformer Taps @ 70V: 2.5, 3.75, 5, 7.5W
- Transformer Taps @ 100V: 5, 7.5, 10, 15W
- Dispersion: 130°H x 120°V
- Enclosure: ABS
- Finish: Paint
- Protective Grille: Painted Aluminium
- Connectors: 4 pin Euroblock
- Pin Connections (Input): Positive and negative in with link out terminals
- Fittings: M4 mounting points for wall bracket
- Dimensions: (W)155mm x (H)255mm x (D)150mm
- Weight: 2.15kg (4.7lb)
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
4.4 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Perfect Ugg Dupes
Size: 8.5, Color: Nude
Great price. Perfect Ugg dupes. 10/10 comfortably. True to size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
★★★★★ 5
Stunning Automatic Watch With TopTier Durability and Precision
Color: Grey
“I got this Tissot PRX for my cousin’s birthday and bro fell in LOVE instantly.
This thing keeps time like a beast, never slows down, never lags. Automatic movement, so no batteries, no drama.
Durability? Stupid good. You can hit it, bump it, live life rough, it still looks box fresh.
Size wise it was almost perfect. I just had to remove two links, nothing big.
It’s light, functional, comfortable, doesn’t weigh you down, doesn’t get in the way but more importantly I can say this watch is in everyone’s eyesight when we wear it. Cause of course I had to get another one!
Basically. I gave him a very nice piece as a gift, and now he’s walking around like he owns Switzerland.
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Reviewed in the United States on December 11, 2025
★★★★★ 5
Great watch!!!!
Color: Grey
Excellent quality, one of the best, elegant.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Excellent value for an automatic watch, keeps VERY good time.
Color: Grey, Color: Grey
I've only had the watch for a day but wanted to leave a quick review on it to share a couple of notes.
So far it keeps VERY good time, better than any of the automatics I own (including a Rolex Submariner, Tag Heuer Aquaracer, Tag Heuer Formula One, and several other sub $1k watches). I set it to an atomic time app on my phone yesterday and 24 hours later it's still SPOT on - hasn't gained/lost even a 1/10 of a second. I was shocked to see it's kept PERFECT time for the last day, I'm really blown away so far. I've worn it the entire time, we'll see how well it keeps time while being stored in a winder.
This picture shown is the watch with a 22mm leather band on it, fit's without any issues (just need to squeeze in the leather a tad). I doubt it would work with a 22mm metal bracelet, but leather works great. Just FYI since the 21mm lug width is kind of odd.
The face isn't quite a lustrious as the images make it look, but it's still a great-looking watch. For a sub $1000 automatic you can't go wrong, this is a fantastic watch at a great price. It'll be my daily driver for some time I'm sure. If I have any issues in the future I'll update the review.
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Reviewed in the United States on March 22, 2021
★★★★★ 5
It looks really cool and striking.
Color: Grey, Color: Grey
Really cool and beautiful watch. Although my specific unit runs 5 seconds fast every day—at first it’s annoying, but eventually you stop caring. 🤣
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Reviewed in the United States on April 16, 2026