SKU: 42271506388

JL Audio LoC-22 : 2 Channel Line Output Converter

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Description

JL Audio LoC-22 : 2 Channel Line Output ConverterFully Active 2 Channel Speaker Level to Line Output Converter. Designed by JL Audio Sr. Engineer Bruce Macmillan, the LoC 22 is an active two channel processor engineered for applications requiring the attenuation of factory audio signals for use with aftermarket amplifiers and signal processors. The LoC 22 utilizes a fully regulated, switching MOSFET power supply and an all analog circuit design to deliver flat frequency response, at any signal level

Fully Active 2-Channel Speaker Level to Line Output Converter.

Designed by JL Audio Sr. Engineer Bruce Macmillan, the LoC-22 is an active two-channel processor engineered for applications requiring the attenuation of factory audio signals for use with aftermarket amplifiers and signal processors.

The LoC-22 utilizes a fully regulated, switching MOSFET power supply and an all-analog circuit design to deliver flat frequency response, at any signal level (3 Hz – 32 kHz, +0, -1dB), without altering bass response at high levels, like many passive line output converters do.

Engineered to combat induced cable noise, the LoC-22 features a differential-balanced input architecture making it compatible with virtually any analog audio signal. Capable of accepting up to 40V RMS per channel (equivalent to 400W @ 4 ohms), the LoC-22 easily handles the most powerful factory amplifier outputs. An onboard dual-range input load switch allows compatibility with most factory amplifiers that employ impedance sensing to mute channels.

Ideal for full-range or low-frequency applications, the LoC-22 is equipped with a pair of analog RCA-type, line-level output jacks (up to 8V RMS) to feed audio signals to your aftermarket system. Analog outputs are compatible with most types of aftermarket signal processors or amplifiers. Setting output levels is super simple and easy, thanks to a specially calibrated, onboard clipping indicator that works with test tones or music. The LoC-22 offers two automatic turn-on methods (DC-Offset Sensing or Signal Sensing) and provides a positive 12V turn-on output to activate aftermarket amplifiers or other downstream electronics.

The LoC-22 includes the following features:
  • Fully active, all analog circuit design by Bruce Macmillan, handles powerful factory amplifier outputs, up to 40 volts per channel
  • Differential-balanced input architecture offers noise rejection and compatibility with most analog outputs from OEM source units and amplifiers
  • Dual range input load switch (20 kΩ/Normal, 60 Ω/Low Z, thermally protected) for maximum compatibility with OEM amplifiers
  • One stereo pair of crystal-clear, line-level RCA output jacks (up to 8V RMS)
  • Automatic turn-on via DC-Offset or Signal-Sensing
  • A dedicated 12V remote turn-on output (maximum 100 mA) to activate aftermarket signal processors or amplifiers
  • Onboard LED clipping indicator makes output level setting quick & easy
  • Ultra-compact chassis design fits into just about any installation location!
Specifications
  • Power Supply Type
    Switching, MOSFET PWM, Regulated
    Operating Voltage
    9 - 16 V DC
    Standby Current Draw
    <1.6 mA
    Operating Current Draw
    0.13 A at 13.8V
    Frequency Response
    3 Hz - 32 kHz (+0 dB, -1dB)
    S/N Ratio @ 2V RMS
    Gain at Min: 118 dB Gain at Max: 103 dB (20 kHz Bandwidth)
    Remote Output Capacity
    100 mA (maximum)
    Recommended Fuse Value
    1 A
    Recommended Fuse Type
    Fast-Acting, ATO/ATC or similar
    Input Channels
    Two
    Input Type
    Differential-Balanced
    Input Voltage
    40V RMS per channel (maximum)
    Input Impedance
    Normal: 20kΩ
    Low Z: 60Ω
    Turn-On Threshold
    Signal-Sensing: 5 mV On/3.5 mV Off at1 kHz (Left Input) DC-Offset: 4.5 V
    Output Channels
    Two
    Analog Output
    Unbalanced, stereo RCA jacks
    Max. Unclipped Output
    8V RMS
    Output Impedance
    450 Ω
    Gain Range
    -27.3 dB (full CCW) to +3.2 dB (full CW)
    THD+N
    0.01% at 2V RMS (1kHz)
General Specifications
Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 42271506388

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Kayla Mahan
Alexandria, US
★★★★★ 5
A lot to think on!
Format: Kindle
I've been world building for several years now and thought I'd pick up this book just to see someone else's thoughts. This book really brought up some fun points I've skipped and gave me a lot of tools, can't wait to read the next one!
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Reviewed in the United States on December 12, 2025
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Paul Andrew Wandless
Birmingham, US
★★★★★ 5
Very useful resource
Format: Paperback
I reference this book often when creating new characters, monsters and even animals and plants. The book has lots of interesting and useful tips and insights that I've found very useful. Its also organized in a manner that is easy to just go to the sections you need.
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Reviewed in the United States on December 31, 2019
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Vaelstorm
Phoenix, US
★★★★★ 5
A fantastic resource for building your world
Format: Kindle
A fantastic resource for building your world. This book focuses specifically on the life in your created world, with lots of useful advice on fleshing out the deities, different humanoid species, animals, monsters, and undead. I'm very much looking forward to the release of the other two books that will follow on from this one.
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Reviewed in the United States on October 16, 2017
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Lashea Secret
Pawtucket, US
★★★★★ 4
Informative, but feeling like book was created to promote other things...
Format: Kindle
There is some useful information in this book. Some possible story prompts and creative ideas for what a person can do with their work. Problem I find with constant mention of the authors books and what is in them. Makes it feel as I am reading that the author is advertising their other works to through the guise that they are teaching you about world building. There is still some little gems in the book. Just the motives for the creation of this book may have less about teaching and more about advertising.
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Reviewed in the United States on October 16, 2021
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Amazon Customer
Phoenix, US
★★★★★ 5
Good detailed read
Format: Kindle
Excellent source for the aspiring fantasy writer. Helps breakdown world building into easy to understand sections allowing you to focus on the parts you need and ignore the rest
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Reviewed in the United States on March 15, 2020

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