DS18 MTLOC4 4-Channel High-to-Low Level Line Output Converter with Remote Turn-On | Selectable 20/60/20kΩ Input Impedance | 40V Speaker-Level to RCA

DS18 MTLOC4 4-Channel High-to-Low Level Line Output Converter with Remote Turn-On | Selectable 20/60/20kΩ Input Impedance | 40V Speaker-Level to RCA

Expand Your Audio System – The DS18 MTLOC4 converts four factory speaker-level outputs into four RCA outputs, making it easy to connect multiple amplifiers or upgrade complex OEM systems without signal loss Smart Auto Turn-On Technology – Features automatic amp activation through Audio Sense, DC Offset, or Remote Trigger, simplifying installation and eliminating the need for extra wiring or switches Pure, Distortion-Free Sound – With a wide 10Hz–20kHz frequency response, less than 0.01% THD, and over 110dB signal-to-noise ratio, the MTLOC4 delivers clean, accurate sound reproduction for professional-level audio quality Durable Aluminum Construction – Built with anodized black aluminum housing and surface-mount components, this converter resists heat and interference for long-lasting reliability and consistent performance Universal Compatibility & Easy Setup – Includes selectable 20 / 60 / 20kΩ input impedance, ground isolation options, and a 14GA quick connector, making the MTLOC4 ideal for cars, trucks and motorcycles audio setups

Specifications 

Maximum Speaker Level Input: Up to 40V (400W RMS) 
Maximum Preamp Output: Up to 11V 
Nominal Conversion Ratio: 4:1 
Frequency Response: 10Hz – 20kHz 
Total Harmonic Distortion (THD): 0.01% 
Signal-to-Noise Ratio: >110dB 
Input Impedance: Selectable 20 / 60 / 20k ohms 
Output Impedance: 100 ohms 
Power Draw: 130mA 
Recommended Fuse Rating: 1A 

Features 

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: 14GA Quick Connector 
Ground Isolation: Selectable (200 ohms / Isolated / Grounded) 
Step-Down Method: Transformer 
Input Selector: Selectable (2CH / 4CH) 

Measurements 

Overall Length: 5.7" / 145mm 
Overall Width: 3.5" / 88mm 
Overall Height: 1.1" / 28mm