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Item #:
77370150
Massive Audio TKO 12-S4 Series 12 300-Watt-RMS Single Subwoofer, 4-Ohm
Item #:
77370150
NAD 2315
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Only 2 items left in stock.
Order now and get it around Sunday, August 09
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No need to count to 10. By unanimous decision, the TKO Series is the winner, with bass on a budget that knocks out all contenders.
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What Stands Out
Powerful Performance
Delivers an impressive 300 watts RMS, ensuring deep bass and clear sound across genres, perfect for audiophiles seeking a powerful audio experience.
4-Ohm Design
The 4-ohm impedance allows for flexible wiring options, making it easier to match with various amplifiers and maximizing performance efficiency for customized audio setups.
Durable Construction
Built with robust materials for long-lasting performance, this subwoofer withstands the demands of high-energy playback, providing reliability and quality for any music lover.
Product Details
- To get a knockout in boxing, it takes training, conditioning, practice, and timing. To get a TKO with Massive Audio, all you have to do is “Get In, Buckle Up, and Turn It Up!” The TKO12-S4 12 in. TKO Series subwoofer delivers a knockout leaving the competition cold. TKO Subs are CEA 2031 compliant with steel baskets, foam surrounds with red stitching for added strength, and poly cotton spiders with woven round tinsel leads that are all surrounded by powerful Y30 strontium ferrite magnets! No need to count to 10. By unanimous decision, the TKO Series is the winner, with bass on a budget that knocks out all contenders.
| Woofer size | 12 in (30.5 cm) |
| Is powered | N |
| Rms power rating | 600 W |
| Subwoofer enclosure type | Ported |
| Subwoofer type | Subwoofer |
| Impedance | 4 ohm |
| Peak audio power handling | 600 W |
| Brand | Massive Audio |
| Speaker size | 12 in (30.5 cm) |
| Color | White |
| Material | Steel, Foam, Poly cotton, Tinsel, Strontium ferrite |
| Height | 12 in (30.5 cm) |
| Weight | 10 lb (4.54 kg) |
| Model | TKO 12-S4 |
| Has written warranty | No |
| Count | 1 |
Who Should Buy?
-
Bass Enthusiasts
Perfect for those who crave deep, powerful bass in their audio setup for an enhanced listening experience.
-
Car Audio Upgraders
Ideal for users looking to upgrade their car’s audio system with strong performance and quality bass output.
-
Budget-Conscious Buyers
Great choice for users seeking quality performance without breaking the bank; offers great value for money.
-
High-Powered Systems
Not suitable for competition-level audio systems that require extremely high power-handling capabilities beyond 300 watts RMS.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the power handling capacity of the TKO12-S4 12 in. TKO Series subwoofer?
Answer: The subwoofer has 600 Watts Peak power capacity. -
Question:
Are the TKO Subs equipped with powerful magnets?
Answer: Yes, the TKO Subs are surrounded by powerful Y30 strontium ferrite magnets. -
Question:
What sets the TKO Series apart from its competition?
Answer: The TKO Series stands out with its bass performance on a budget that outperforms other contenders.
Massive Audio Subwoofers Editorial Review
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Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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Shawati
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
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Kwame
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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NAD 2315
Order now and get it around Sunday, August 09
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 2 items left in stock.
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Fastest cross-border delivery
Features & Benefits
- 600 Watts Peak Heavy-Gauge Steel Basket with Industrial Texture Painting
- Single 4-Ohm 2 in. 4-Layer High-Impedance Aluminum Former with EISV Voice Coil
- Laminated Paper Cone with Pressed Foam Surround
- Round-Shape PP Vacuum Dust Cap
- Ported Box: 14 in. H X 18 in. D X 14 in. W Sealed Box: 1.25 Cu. Ft.
- TKO Subs are CEA 2031 compliant with steel baskets, foam surrounds with red stitching
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