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The Connection Sonus SLI 2.2 is a speaker level to RCA line output converter, designed to add an aftermarket amplifier to a factory (OEM) car audio system. It converts speaker-level signals to RCA line-level using isolation transformers, and includes an automatic 12V remote turn-on output. It is part of the Connection Sonus range.
Key specifications
- Model: Connection Sonus SLI 2.2
- Function: high to low level (speaker to RCA line) conversion
- Conversion: isolation transformers
- Remote turn-on: ART™ automatic 12V remote output
Connection by Audison
The SLI 2.2 converts the speaker-level outputs of a factory head unit or amplifier into RCA line-level signals using isolation transformers, allowing an aftermarket amplifier to be added to an OEM system. To connect your amplifier, Connection also offer RCA amp cables such as the Connection Best BT6 250 2.5m 6 Channel RCA Amp Cable.
ART™ (Automatic Remote Turn-on)
Generates a 12V output to remotely control the amplifier when the SLI 2.2 is powered.
Explore the full range in Connection Power, Wiring & Accessories.
Specification
| Shape | Square |
|---|---|
| Series | Sonus |
| Article Number | SLI 2.2 |
| Country of Manufacture | China |
More specs
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What's Included
- Audison Sonus SLI 2
Connection
About the Connection SLI 2.2
From our tech experts at CEN
A line output converter from Connection, 2 channel, taking speaker-level signal from a factory system and producing a clean line-level signal for an amplifier.
Who it suits
Drivers adding amplification while keeping the factory head unit, which is most modern cars. Connection is Audison’s cable and integration brand, built to the same standard as the electronics.
Our tech experts advise
Factory outputs vary: some are already amplified, some equalised in ways that need correcting at source. We check what your vehicle actually outputs before specifying. get in touch. See car audio installation.
Explore the full Connection range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Connection
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Frequently Asked Questions
Q: What does a speaker level to line out converter do?
A: It converts the speaker level output of a factory head unit or amplifier into an RCA line level signal, so you can connect an aftermarket amplifier or DSP to an OEM system that has no RCA outputs.
Q: Does the SLI 2.2 provide a remote turn-on signal for my amplifier?
A: Yes. The ART automatic remote turn-on function creates a 12V output to switch on the amplifier when the SLI is powered, so you do not need a remote wire from the factory head unit.
