Description
Included in this kit
This bundle includes a MTX TH1400.5 - Thunder Series Amplifier, 5-Channel 1400 Watts, and a MTX TL-45L - 4-Channel In / 5-Channel Out Line Output Converter.
1x MTX TH1400.5 - Thunder Series Amplifier, 5-Channel 1400 Watts (TH1400.5)
THUNDER 1400-Watt RMS Class-D 5-Channel Amplifier
One Amp for Your Entire System
Simplify your car audio setup with the TH1400.5, a versatile five-channel amplifier from MTX Audio’s THUNDER Series. Designed to power your entire system, this amp provides full-range clarity for your speakers and deep, impactful bass for your subwoofer. With its compact size, advanced features, and powerful performance, the TH1400.5 is the perfect all-in-one solution for audiophiles who demand the best.
Complete Audio Power in One System
The TH1400.5 delivers exceptional versatility and performance, with four full-range channels providing up to 100 watts RMS each at 2Ω, plus a dedicated subwoofer channel capable of a massive 800 watts RMS at 1Ω. Whether it’s crystal-clear highs, smooth mids, or room-shaking bass, the TH1400.5 ensures every note is reproduced with precision and power.
Custom Sound, Simplified
Take control of your sound with adjustable gain, crossover, and bass boost controls. Hidden beneath a sleek panel cover, these settings allow you to fine-tune your audio for a perfectly balanced soundstage. The included external bass control remote puts subwoofer adjustments within easy reach, so you can tweak your bass levels on the go.
Efficient and Reliable Performance
Engineered with Class-D technology, the TH1400.5 delivers high output while keeping heat and power consumption low. Its advanced protection circuits safeguard against thermal overload, short circuits, and voltage fluctuations, while the LED status indicator keeps you informed of your system’s performance for uninterrupted music enjoyment.
Big Power in a Compact Design
Despite its impressive power, the TH1400.5’s compact footprint allows for easy installation in tight spaces. Its stylish design enhances any vehicle interior, combining aesthetics with functionality to elevate your car audio system. Each unit includes a Dyno Certificate, proving that it exceeds its rated performance and ensures reliable, powerful output.
Features
1400 Watts RMS Power Output
Four Full-Range Channels and One Mono Subwoofer Channel
High-Efficiency Class-D Circuit Design
Adjustable Gain, Crossover, and Bass Boost Controls
Hidden Control Panel for a Clean Look
Included External Bass Control Remote
Power and Protection LED Status Indicator
Thermal, Short, and Over/Under Voltage Protection
High-Quality Tiffany-Style RCA Input
10V High-Level Audio Input Compatibility
Clip Detection Light for Tuning Optimization
Surface Mount Component Technology
Direct Insert Power and Speaker Terminals
Dyno Power Rating Certificate Included
Specifications
Description: 5-Channel
Topology: Class D
4Ω RMS Power Output: 100W x 4 Channels + 300W (Sub)
2Ω RMS Power Output: 150W x 4 Channels + 500W (Sub)
4Ω RMS Bridged Power Output: 300W x 2 Channels (1/2/3/4)
1Ω RMS Power Output: 800W (Sub Only)
THD: < 0.4%
Signal to Noise Ratio: > 95dB
Frequency Response: 20Hz - 20KHz (Ch1-4), 20Hz - 250Hz (Sub)
Crossover: 40Hz - 400Hz (Ch1-4), 50Hz - 250Hz (Sub)
Subsonic Filter: 10Hz - 55Hz (Sub)
Maximum Input Signal: 10V
Warranty Period: 24 months from date of purchase
Dimensions & Weight
Length: 14 ¹⁄₂” (367mm)
Width: 7” (176mm)
Depth: 2” (50mm)
Weight: 9.06 lbs (4.11 kg)
The TH1400.5 is the ultimate solution for powering your entire car audio system. With its powerful output, advanced controls, and compact design, it’s the perfect choice for audiophiles who want seamless performance and exceptional sound quality.
1x MTX TL-45L - 4-Channel In / 5-Channel Out Line Output Converter (TL-45L)
TL-45L 4-Channel In / 5-Channel Out Line Output Converter
The MTX TL-45L is a 4-channel in / 5-channel out line output converter designed to bridge modern factory audio systems with aftermarket amplifiers. With high-voltage speaker-level input handling, selectable load settings, multiple turn-on modes, and a dedicated bass output with remote level control, it delivers a strong, clean preamp signal while helping factory systems remain fully functional.
Overview
Factory Integration for Multi-Channel Amplifier Systems
The TL-45L is designed to connect factory audio systems to aftermarket amplifiers by converting factory speaker-level signal into a stronger, cleaner preamp-level output. Its multi-channel layout is intended for more advanced system designs that require separate main-channel and bass-channel signal routing.
Built to work with a wide range of OEM audio systems, the TL-45L combines high-voltage input capability, intelligent load matching, flexible turn-on control, and compact physical size for discreet installation.
- 4-channel in / 5-channel out line output converter.
- Designed for factory-to-aftermarket amplifier integration.
- Built for modern OEM systems with multi-channel output needs.
Compact Design
Easy to Mount Where Space Is Limited
The TL-45L uses a compact chassis that helps simplify installation in tighter vehicle spaces. Its footprint makes it easier to mount under seats, behind trim panels, or near factory amplifiers while maintaining clean, low-visibility integration.
- Compact 5 3/8" x 3 7/8" x 1 1/8" chassis.
- Designed for tight install spaces.
- Suitable for under-seat, behind-panel, or near-amplifier mounting.
Feature Highlights
What the TL-45L Adds to a System
Signal Integration
Designed for OEM Speaker-Level Systems
The TL-45L is designed to accept a wide variety of OEM speaker-level outputs, with support for input signals up to 40V. This makes it suitable for base-model and premium factory systems, including setups that require proper load simulation to keep the original source unit working as intended.
- High level input up to 40V.
- Maximum input level of 40Vrms / 400W (20kΩ).
- Selectable input impedance for broader OEM compatibility.
Output & Control
Strong Preamp Signal with Bass Level Adjustment
The TL-45L provides six preamp outputs total, including four main channels and two sub channels, with up to 8.5Vrms maximum output level. Individual gain controls, clip indicators, and remote level control support cleaner amplifier setup and more convenient bass adjustment.
- 6 preamp outputs total.
- 4 main channels and 2 sub channels.
- Maximum output level of 8.5Vrms.
- Remote level control included.
The TL-45L is designed to keep factory systems operating normally while providing clean signal conversion for aftermarket amplifier upgrades.
| Model | MTX TL-45L |
| Description | 4-channel in / 5-channel out line output converter |
| Maximum Input Level | 40Vrms / 400W (20kΩ) |
| Input Impedance | Selectable (20Ω, 60Ω, 20kΩ) |
| Preamp Outputs | 6 (4 main channels and 2 sub channels) |
| Maximum Output Level | 8.5Vrms |
| Output Impedance | 60Ω |
| THD | < 0.2% |
| Signal to Noise Ratio | > 100dB |
| Frequency Response | 20Hz - 20kHz |
| Recommended Fuse Rating | 2A |
| Input Capability | High level input up to 40V |
| Turn-On Modes | Multiple turn-on options (DC / remote / audio) |
| Load Matching | Selectable load resistance |
| Noise Control | Selectable ground isolation |
| Remote Adjustment | Remote level control |
| Length | 5 3/8" (136 mm) |
| Width | 3 7/8" (98 mm) |
| Depth | 1 1/8" (28 mm) |