Best Active Line-Out Converters for Car Audio Upgrades
Answering the need for clean, pro-level line-level signals from factory radios, these active line-out converters help you add amplifiers or subwoofers with minimal loss and maximum control. They’re best for installers and DIY buyers who want adjustable gain, bass restoration, and reliable remote turn-on features. The top picks below are suited for different vehicle audio goals, from simple amp adds to full bass upgrades. A quick comparison table follows to aid quick decisions.
Product Quick-Comparison
| Product | Best For | Key Benefit | Limitations |
|---|---|---|---|
| Kicker 46KISLOC2 | High-fidelity sound from factory radios | Remote turn-on output and RCA conversion with 100 mA, 12V DC offset | Limited input wattage (55W max) |
| CT Sounds CT-LC2 | Two-channel bass and full-range separation | BassLift restores factory bass; dual outputs | Requires understanding of bass lift setup |
| AudioControl LC1i | OEM-to-aftermarket with strong bass emphasis | High-power handling per channel; clean pre-amp output | May require additional fits for tight spaces |
| Recoil LOCD | 2-channel with easy installation | Removable terminal blocks; auto-sense remote turn-on | Limited official spec detail on max output |
| Skar Audio SKE2LOC | Flexible turn-on options and bass control | Selectable turn-on: DC offset, Audio Sense; adjustable bass | May require manual tuning for best results |
Kicker 46KISLOC2 K-Series Line-Out Converter
The KISLOC2 converts a speaker-level signal into both an RCA output and a powerful 100 mA, 12-volt remote wire for DC offset. It accepts up to 55 watts (16 volts) of input signal, making it suitable for moderate factory radios paired with compact aftermarket amps. This option is best for installers who want accurate signal reproduction and a straightforward remote turn-on feature. Consider this if your goal is to preserve original highs and lows while enabling easy amplifier integration.
CT Sounds CT-LC2 2-Channel Premium Line-Out Converter
The CT-LC2 provides 2-channel line-out with BassLift technology and both full-range main output and low-pass bass output. The BassLift feature helps restore bass that factory systems may roll off at higher volumes. This converter is ideal for users planning to run a dedicated sub and separate amplifiers, offering clear bass restoration and flexible output options. Choose this if you want a dedicated subwoofer path and improved bass performance.
AudioControl LC1i Active 2-Channel Line Driver
The LC1i upgrades your audio system by converting speaker-level signals up to 400W per channel to high-quality pre-amp outputs for aftermarket subwoofers, amps, and processors. It includes onboard load detection compatibility and a compact design for fitment in modern vehicles. Best for users who need robust signal conversion with reliable impedance matching and clean, distortion-free performance.
Recoil LOCD Active 2-Channel Line Output Converter
The Recoil LOCD combines a premium 2-channel line output converter with a line driver in a 2-in-1 solution. It features removable terminal blocks for all inputs, intelligent signal sensing for turn-on, and 10V pre-amp RCA output. This option is best for users seeking straightforward installation and flexible input connections. A caution: verify fitment with your vehicle’s dashboard space to ensure clean routing.
Skar Audio SKE2LOC 2-Channel Active LOC
The SKE2LOC offers 2-channel active line-out with selectable turn-on options—DC offset, Audio Sense, and a remote 12V output—plus adjustable bass and main channel control. It’s best for systems where precise turn-on behavior and bass tuning are priorities. Choose this if you require flexible power-on behavior and on-device bass management, but be prepared to fine-tune for your vehicle’s acoustics.
AudioControl LC2i 2-Channel LOC with AccuBASS
The LC2i converts speaker-level signals up to 400W per channel and includes AccuBASS for bass correction as volume increases. It provides high-quality pre-amp outputs and a compact footprint for easy installation. Best for those upgrading factory systems to maintain strong bass response across volume levels, while keeping a simple, reliable connection path to aftermarket gear.
AudioControl LC2i PRO 2-Channel LOC with ACR-1 Knob
The LC2i PRO adds AccuBASS and a dash remote knob (ACR-1) for on-the-fly bass control, making it suitable for enthusiasts who want precise bass shaping from the driver’s seat. It handles speaker-level signals up to 400W per channel and is designed for modern, feature-rich factory systems. Best for users who want tactile control over bass levels without a separate processor.
Buying Guide: Key Considerations For Choosing An Active LOC
- Signal source and input wattage: Match the LOC’s input handling to your factory radio’s output and your planned amplification to avoid distortion.
- Output options: Decide between single or dual channel outputs, and whether you need dedicated subwoofer outputs in addition to main-channel signals.
- Bass management: Look for BassLift or AccuBASS features if you want to restore or enhance bass when upgrading from OEM systems.
- Turn-on behavior: Choose a model with reliable remote turn-on or auto-sense features to prevent parasitic drain when the vehicle is off.
- Size and installation: Consider chassis depth and mounting footprint, especially in vehicles with tight dash spaces.
- Impedance and load compatibility: Some models offer load detection and impedance options; ensure compatibility with your factory or aftermarket amplifiers.
- Ease of use: Prefer models with clear gain controls, LED indicators, and intuitive wiring layouts for straightforward tuning.
Frequently Asked Questions
- What is an active line-out converter?
It converts speaker-level outputs from a factory radio to line-level signals suitable for aftermarket amplifiers and processors, often with built-in gain control and remote turn-on features.
- Do I need a Bass Lift feature?
BassLift helps restore bass efficiency that can be lost in factory systems at higher volumes, improving overall low-end performance.
- How many channels should I choose?
Two-channel LOCs are common for basic two-channel amplification; dual-channel LOCs support separate subwoofer and full-range paths.
- What about installation space?
Many LOCs are compact, but verify dimensions for your dash or door panel area to avoid fitment issues.
- Is impedance matching important?
Yes. Proper impedance matching improves sonic clarity and reduces distortion, especially when mixing OEM radios with aftermarket amps.
- Can I use an LOC with a high-power system?
Yes, but ensure the LOC can handle the planned wattage and that you properly set gains to avoid clipping.