350W RMS Dual 12" Loaded Subwoofer Enclosure and Amplifier Package

MTX Engineered System:

MTX6 RTL Dual Bass Slammers

Ourageous SPL from two awesome 12 inch RTL subs

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This bass package is an excellent way for a beginner enthusiast to add bass to their vehicle without going over board or breaking the bank.

Super 350 Watt Amp

The TH350.1D is a step up amplifier that offers a host of features that enable the listener to get the ear loving sound they are looking for in a custom car audio system. Integrated technologies include patented Adaptive Class D design that reduces interference making for a better listening experience, Intelligent Surface Mount Technology that resists vibrations and ensures longetivity, and Smart Engage auto turn on circuitry that enable the amplifier to be easily connected to a factory radio. 

SPL Out The Port

The RTL12X2D is a dual 12" loaded enclosure that utilizes a huge side firing slot port to deliver outstanding SPL and low frequency reproduction. This enclosure can handle up to 500W RMS power and includes a high quality finish that looks great in any install.

Includes Everything

The included amplifier kit and speaker cable include everything you need to get the system setup so you can Feel the Thunder.

This package includes the following:

  • One (1) TH350.1D mono block 350 watt amplifier
  • One (1) RTL12X2D 500W RMS dual 12" loaded 2Ω subwoofer enclosure
  • One (1) ZN3K-04 4AWG amplifier kit*
  • One (1) SCP1415BL 15ft, 14AWG speaker wire
  • One (1) ZN3250 5M RCA interconnect

*ZN3K-04 includes: 18' 4 AWG Red Power Cable, 4' 4 AWG Black Ground Cable, 16' 18 AWG Remote Wire, (1) 4 AWG Ring Terminal 5/16", (1) 4 AWG AFS Fuse Holder, (1) 150A AFS Fuse, (1) 18 AWG Red Butt Connector, (1) 18 AWG Spade Terminal, (1) 4 AWG Ring Terminal 3/16", (2) 4 AWG Spade Connectors

Adaptive Class D Topology Reduces DIstortion and Improves Sound Quality
Smart Engage Auto Turn On Circuitry Allows for Easy Installation with Factory Radios
Intelligent Surface Mount Design Resists Vibration and Improves Sound Quality by Reducing Interference
5/8" MDF Construction
Aviation Grade Carpet Resists Tearing for Long Lasting Durability
Single 2Ω Terminal Cup Makes Amplifier Connection Easy
Side Firing Slot Port Delivers Exceptional SPL
1000W Peak Power Handling
RMS Power (Watts) 350 (TH350.1D)
4 Ohm RMS Power Output 125W x 1 Channel
2 Ohm RMS Power Output 250W x 1 Channel
1 Ohm RMS Power Output 350W x 1 Channel
THD+N (Distortion) (1 Watt) <1.0%
Crossover Variable Low @ 40Hz to 200Hz, 24dB/Oct
Subsonic 20Hz to 50Hz,12dB/Oct, Variable
Bass Boost +12dB @ 40Hz
Dimensions 7-1/16" x 10" x 2-1/8" (TH350.1D)
RMS Power Output (Watts) 500 (RTL12X2D)
Dimensions 15"H x 33"W x 16"D (RTL12X2D)
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