SKU: TL-4.5L

Line Output Converter 4-Channel In / 5-Channel Out

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Availability: In stock
$179.95 MSRP
$159.95

Upgrade Your Factory System

The TL-4.5L 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, intelligent load options, and multiple turn-on modes, it delivers a strong, clean preamp signal while keeping factory systems happy and fully functional.

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Tl 4.5l COMPACT, INSTALL-FRIENDLY DESIGN

COMPACT, INSTALL-FRIENDLY DESIGN

Designed to fit where space is limited, the TL-4.5L features a compact chassis that makes mounting easy under seats, behind panels, or near factory amplifiers. Its small footprint gives installers more flexibility without sacrificing performance or control.

tl45l HIGH-VOLTAGE FACTORY SIGNAL HANDLING

HIGH-VOLTAGE FACTORY SIGNAL HANDLING

Designed to accept various OEM speaker level outputs, The TL-4.5L can handle input signal up to 40V. Whether you have a base model or premium audio system, it will accept most signals to deliver a strong, distortion-free Preamp output to your aftermarket amplifiers.

tl 45L SELECTABLE LOAD RESISTANCE

SELECTABLE LOAD RESISTANCE

Selectable input impedance settings allow the TL-4.5L to properly interface with a wide range of factory radios and amplifiers. This helps ensure factory systems continue to operate normally when speakers are removed, preventing muting or shutdown issues. 

tl45 L FLEXIBLE TURN-ON AND OUTPUT CONTROL

FLEXIBLE TURN-ON AND OUTPUT CONTROL

Multiple remote output and turn-on modes, including DC offset sensing, audio signal detection, and +12V remote turn-on, ensure reliable operation across different factory system designs. Individual gain controls, clip indicators, a dedicated bass channel output, and a remote level control provide precise system tuning.

Dimensions & Details

Dimensions

  • A - Length:
    5 ⅜” (136 mm)
  • B - Width:
    3 ⅞” (98 mm)
  • C - Depth:
    1 ⅛" (28 mm)
TL-4.5L Dimensions

Features

  • High Level Input Up To 40V
  • Multiple Turn-on Options (DC / Rem / Audio)
  • Selectable Load Resistance
  • Selectable Ground Isolation
  • Remote Level Control



SPECIFICATIONS

  • Description: 4-CH In/5-CH 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
  • Warranty Period: 24 months from date of purchase

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Returns & Warranty

30-Day Money-Back Guarantee

At MTX Audio, we are serious about sound®. Therefore, if you are not "blown away" with your purchase, for any reason, you can return any items purchased directly from MTX.com that are complete and like new within 30 days. Products purchased from authorized MTX retailers must be returned through that same retailer. Products purchased through non-authorized MTX retailers may not be returned.

About Returns
Warranty Information

The warranty for TL-4.5L is 24 months from the date of purchase.

MTX products purchased in the USA from an authorized MTX dealer are guaranteed against defects in material and workmanship for the period of time specified below, the warranty period begins the day the product is purchased by the end user. This warranty is limited to the original retail purchaser of product and extends only to products purchased from authorized MTX resellers. Product found to be defective during that period will be repaired or replaced by MTX at no charge.

About Our Warranty

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