TPT-TSUB15 D4 (Open Box)

1800 Watts Continuous Power
900 Watts RMS Power
Impedance: 4 + 4 Ohm
Sensitivity: 92 dB
Frequency Response: 30 Hz – 250 Hz
Voice Coil: 2.5″ – 4 Layer High Temperature


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SKU: TPT-TSUB15 D4 Category:


TPT-TSUB15 D4 15″ Subwoofer – Dual 4 Ohm Car Audio

The subwoofer may have some scratches/marks due to previous installation. Product may not come in original box.

The subwoofer has been tested and it’s working as intended… 100% Guaranteed!

The T Sub Series is a great entry point for a higher performance subwoofer that brings hard hitting bass in a small powerful package. These subs will perform like a boss on as little amount of power,  This keeps electrical upgrades minimal with less added strain on the vehicle. With a high energy, double stack motor paired with a high foam surround stitched to a heavy duty competition grade pressed paper cone which allows this woofer to play the low notes it was designed for.

– Double Stitched Foam Surround
– Competition Grade Pressed Paper Cone
– Xmax: 30 mm peak to peak
– Basket Material: Stamped Steel
– Magnet: Double Ferrite
– Weight: 16.53 Lbs (7.5 Kg)
– Mounting Depth: 7.32″ (186 mm)
– Mounting Cutout Diameter: 13.85″ (352 mm)

The TSub15 is rated conservatively at 900 Watts RMS. Built to be a very effective daily woofer for systems ranging from single 15″ applications to multiple woofer wall builds while being capable of competition use the T Sub series is extremely versatile.

All top quality components featured in this sub as well as its advanced air flow cooling design, are what ultimately allow for the incredible responsiveness & power handling of this subwoofer.


Free Air Resonance Fs 43  Hz
Electrical Factor Qes 1.47
Equivalent Volume Vas 46.44
Total Factor Qts 1.30
Mechanical Factor Qms 11.07
Bl Factor Bl 19.06 Tm

Box Recommendations:

Type Volume Port Size
Sealed Enclosure 2.50 ft3 N/A
Ported Enclosure 2.75 ft3 15” H x 2.75” W x 21” Deep

WARNING: Cancer and Reproductive Harm – our Return Policy.

Customer Reviews

Based on 5 reviews
Evan Thomas

Nice entry level sub running it at two ohms in a custom encloser it gets down I use to have two at one ohm an they slammed

Carlos J Alicea Ortiz

Con nada más mirarlo te das cuenta la calidad del producto grande durable y mucho poder buena calidad de los materiales

Shawn Pharris

Subs are great for the price would recommend to anyone who wants a cheap but durable subwoofers. Running 2 dual 4 ohm parallel down to a one ohm load. The hardest hitting subwoofers I have ever had ! Beautiful subs and great price cant go wrong !

Stephen Woods

This is a massive sub with awsome build quality amazing looks and great price, overall I'm really impressed with them. The motor is way bigger than i was expecting, can't wait to hook them up.

Mark Casilla

This sub rocks and for the price I bought 2. Pretty fast shipping too.