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NEW FOR 2026
SOLD IN SINGLES
HYDROGEN SERIES
FEATURES
15″ High-Performance Subwoofer with aluminum cast basket and reinforced paper cone
SPECIFICATIONS
| Model | High-Performance Subwoofer |
|---|---|
| Diameter | 38 cm / 15″ |
| Power handling (RMS/SPL) | 1500 / 3500 Watts |
| Impedance | 2x 1 Ohm |
| Efficiency | 87 dB |
| Power recommendation | 1500 – 3500 Watt |
| Voice coil | 75 mm / 3″ copper |
| Cone | Reinforced paper |
| Max. Excursion (Xmax) | 45 mm / 1.77″ |
| Mounting Ø | 360 mm / 14.17″ |
| Mounting depth | 231 mm / 9.09″ |
| Resonance frequency (Fs) | 36.3 Hz |
| Overall quality (Qts) | 0.52 |
| Equiv. air volume (Vas) | 32.8 L / 1.16 cu.ft. |
These guys communicate with me and made sure that everything I received my items and
Very pleased with the results TDS got me sounding great
Got the product quick, and in perfect condition. Can't want to let this amp rip!
Purchase and shipping quick product packaging great... Will repeat customer again thanks guys
Great turn around and sound
SounDigital XP 800.4 4-Channel Amplifier
Brian was absolutely amazing!! Completely i’m out of his way to make sure I could possibly get the product sooner.
Off the charts amazing. Arrived earlier than anticipated.
Bryan was very helpful in answering any questions I had and I will definitely be doing business with him in the future. His products also ship out in a timely manner. Thank you
Excellent service with great pricing and delivery was next day.
I've never dealt with TDS before this purchase, but I have to tell you, Bryan is a great person to deal with, took care of any questions and the quck response, lightning fast shipping can't be beat. Will be my goto person from here on out.
Awesome Product, second to none, Flawless, extremely happy with my purchase.
I ordered a battery that was on backorder and didn't realize. I called and talked to a guy that said they should be here any day. Within 2 hours I received the tracking. I text the guy back to make sure it was accurate and he responded immediately. Great doing business with you guys and will continue to order from you guys in the future
Fast shipping and no issues
TDS great customer service attentive reactive to messages from customers as soon as they receive them great place to shop. I appreciate these guys they helped me out very good.
Great customer service
