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Description
(2) Massive Audio GTS12 12” GTS Series Shallow-Mount Car Subwoofers Dual 4-Ohm (1 Pair)(2) Massive Audio GTS12 Two 12 GTS Series Shallow Mount Subwoofers 600 W RMS 1,200 W Peak (Total for Pair) Dual 4 Each This pair of GTS12 shallow mount subs brings powerful bass to compact spaces. Each subwoofer handles 300 W RMS and 600 W Peak, with dual 4 voice coils, reinforced cone design, and slim 3. 24 depth for versatile installs. Key Features Sold as a pair (2 subwoofers) Power Handling (RMS): 300 W Each 600 W Per Pair Power Handling (Peak):
(2) Massive Audio GTS12 – Two 12″ GTS Series Shallow-Mount Subwoofers – 600 W RMS / 1,200 W Peak (Total for Pair) – Dual 4 Ω EachThis pair of GTS12 shallow-mount subs brings powerful bass to compact spaces. Each subwoofer handles 300 W RMS and 600 W Peak, with dual 4 Ω voice coils, reinforced cone design, and slim 3.24″ depth for versatile installs.
Key Features
- Sold as a pair (2 subwoofers)
- Power Handling (RMS): 300 W Each / 600 W Per Pair
- Power Handling (Peak): 600 W Each / 1,200 W Per Pair
- 3″ dual 4 Ω high-temperature aluminum voice coils
- Injection-molded polypropylene cone with pressed foam surround
- Heavy-gauge shallow-mount steel basket
- 50 oz Y35 strontium ferrite magnet motor
- Ultra-slim mounting depth: ~3.24″
- X-Max: ~9 mm; Sensitivity: ~84.6 dB SPL; Fs: ~31.7 Hz
- Recommended sealed box: ~0.62 ft³ each (small) / ~1.2 ft³ each (large)
- Recommended ported box: 15″H × 13.5″D × 8.2″W with 2.75″ × 5.5″ port (~0.85–1.5 ft³ each)
- Mounting depth: ~3.24″; Cutout: ~10.57″; Weight: ~10.8 lb each
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
4.6 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 1
Not for tough chewers at all!!!
Size: 10.5 inch Rubber Flex Tread, Size: 10.5 inch Rubber Flex Tread
5 minutes in and it's destroyed. Very disappointing.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Great chew toy
Size: 10.5 inch Rubber Flex Tread
This is my second time buying the Tonka rings. My dog loves this chew toy. It does take him a bit to destroy them. I give this toy to him as a reward otherwise it be destroyed in 3 days. I have a pitty. So other dogs it should last longer. They are shin whackers and hurt when they connect. So I make sure to watch the dog and toy around small kids and elderly to be safe. They are heavy and made well.
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Reviewed in the United States on October 29, 2025
★★★★★ 5
Finally a toy we can leave out!
Size: 10.5 inch Rubber Flex Tread, Size: 10.5 inch Rubber Flex Tread
There are very few toys that we can leave out for our 11 month old golden. Which is a shame because as a small puppy, we taught him to bring us a toy to initiate play instead of nipping. Ropes or stuffies never lasted more than a few minutes so they always had to be taken away. One time he brought us a benenbone to play tug. So I tried this as a last resort. Finally something we can keep out for him! It’s not completely indestructible. He has figured out how to pull bits of tread off. But he chewed hard on it for a solid 20 minutes and it’s still intact with the exception of a few small tread pieces. Can’t say that for 99% of the other dog toys on the market!
UPDATE: OK, so it's definitely not indestructible. After a few days of dedicated gnawing, he has almost chewed through the yellow ring so we can't leave him too unsupervised with it. I'm still going to leave it as 5 stars since it's the best tug toy that I have found so far and we have tried a lot! I may buy another one and just make sure I don't let him freely chew on it for any length of time.
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Reviewed in the United States on April 1, 2023
★★★★★ 3
Really wanted this toy to be better...
Size: 10.5 inch Rubber Flex Tread
I got this toy because I have 3 large dogs that all like to pull things. I can't always play with them even though they follow me everywhere wanting to play, so I saw this toy and thought it would be good because it would give them something they can tug away at with each other. I saw the thick rubber and thought it would last awhile, but I was wrong. My German Shepherd and Pyrenees mix chewed though the first tire rather quick, and before I realized, I was finding chunks of tire around the house and yard. Thankfully, none of them tried to eat it. It seems like it could be a good toy for an aggressive chewer IF they are smaller and not as strong as these large dogs are, but it did not hold up long to mine.
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Reviewed in the United States on November 23, 2024
★★★★★ 5
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Color: Medium size (ø 5.5")
The toy is best for "non aggressive " chewers.
The seller is fantastic though!! They resolved an issue proactively, without being asked-something you don't see often. That level of integrity sets them apart, and I would absolutely buy from them again.
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Reviewed in the United States on December 19, 2025