Description

DS18 MTLOC4
The DS18 MTLOC4 is a 4-channel digital sound processor designed to provide precise audio tuning and control for car audio systems. With four output channels, it allows detailed adjustment of crossovers, equalization, time alignment, and output levels, optimizing multi-speaker setups for balanced and immersive sound. Its high-resolution digital processing ensures clean signal transmission with minimal distortion, while the compact design allows flexible installation in a variety of vehicles. Ideal for both enthusiasts and professional installers, the MTLOC4 delivers high-fidelity performance and complete control over multi-amplifier car audio systems.
Specifications
| Specification | Value |
|---|---|
| Maximum Speaker Level Input | Up to 40 V (400 W RMS) |
| Maximum Preamp Output | Up to 11 V |
| Nominal Conversion Ratio | 4:1 |
| Frequency Response | 10 Hz – 20 kHz |
| Total Harmonic Distortion (THD) | 0.01% |
| Signal-to-Noise Ratio | >110 dB |
| Input Impedance | Selectable 20 / 60 / 20 kΩ |
| Output Impedance | 100 Ω |
| Power Draw | 130 mA |
| Recommended Fuse Rating | 1 A |
Features
| Feature | Description |
|---|---|
| Bass Boost | No |
| Auto Turn-On | Yes (Audio Sense / REM / DC) |
| Remote Output | Yes |
| Level Matching Controls | Yes |
| Dash Remote Level Control | No |
| LED Indicators | Power / Clip |
| Housing Material / Color | Aluminum / Black |
| Wiring Connector | 14 Ga Quick Connector |
| Ground Isolation | Selectable (200 Ω / Isolated / Grounded) |
| Step-Down Method | Transformer |
| Input Selector | Selectable (2ch / 4ch) |
Measurements
| Measurement | Value |
|---|---|
| Overall Length | 5.7 in (145 mm) |
| Overall Width | 3.5 in (88 mm) |
| Overall Height | 1.1 in (28 mm) |
Product Overview
4-Channel High-to-Low Level Line Output Converter with Remote Turn-On
The MTLOC4 converts four factory speaker outputs into four RCA outputs, expanding your upgrade options. It offers selectable input impedance (20, 60, or 20k ohms) to prevent factory system errors.
Effortless Amplifier Activation
Auto turn-on via audio detection, DC offset, or remote trigger allows plug-and-play convenience and reduces installation complexity.
Built Tough and Compact
Constructed with an anodized aluminum shell and surface mount components, the MTLOC4 resists interference and runs cool. Its small footprint fits most vehicle setups.
Crystal-Clear Sound
Delivering less than 0.01% THD from 10Hz to 20kHz, this converter keeps your audio sharp and clean.
Unlock the full potential of your factory system with the MTLOC4!












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