Ssl Evolution EV4.400

Questions and Answers

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David NorrisAug 16, 2025
How to troubleshoot Ssl Car Amplifier that won't power up?
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  Gavin PattersonAug 17, 2025
  To troubleshoot a Ssl Car Amplifier that won't power up: * Ensure you have a solid ground connection. * Verify the Remote Input (Turn-On) receives at least 3VDC. * Confirm battery power is reaching the (+) terminal with at least 12V. * Inspect all fuses and replace any that are faulty. * Ensure the Protection LED is off. If it's on, briefly turn off the amplifier and then turn it back on.
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Robert GonzalesAug 19, 2025
What to do if Protection LED comes on when Ssl Evolution EV4.400 Car Amplifier is powered up?
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  paula66Aug 19, 2025
  If the Protection LED on your Ssl Car Amplifier lights up when powered on, it could be due to short circuits on the speaker leads. Check for these and correct them. You can also try turning down the volume control on the head unit to prevent overdriving. If that doesn't work, remove the speaker leads and reset the amplifier. If the Protection LED persists, the amplifier may be faulty and require servicing.
J
Joe KentAug 22, 2025
Why is my Ssl Car Amplifier producing distorted sound?
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  Sarah EllisAug 22, 2025
  If you are experiencing distorted sound from your Ssl Car Amplifier, verify that the Input Level Control is appropriately set to match the head unit's signal level, keeping it as low as possible. Also, check that all crossover frequencies are correctly configured and inspect the speaker leads for any short circuits.
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Michael PruittAug 25, 2025
What to do if Ssl Evolution EV4.400 Car Amplifier has no output?
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  Richard SuarezAug 26, 2025
  If you are not getting any output from your Ssl Car Amplifier, check the following: * Make sure all fuses are in working order. * Ensure the amplifier is properly grounded. * Verify that the Remote Input (Turn-On) is receiving at least 3VDC. * Confirm that the RCA audio cables are correctly connected to the inputs. * Inspect all speaker wiring for any issues.
B
Bonnie JacksonAug 28, 2025
Why does my Ssl Car Amplifier get very hot?
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  robertromeroAug 28, 2025
  If your Ssl Car Amplifier is getting very hot, verify that the speaker impedance matches the amplifier model's specifications. Ensure proper air circulation around the amplifier. If necessary, consider adding an external cooling fan.
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gary13Aug 30, 2025
Why is there a squealing noise from speakers connected to Ssl Evolution EV4.400 Car Amplifier?
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  Kevin WatsonAug 30, 2025
  If you're hearing a squealing noise from the speakers connected to your Ssl Car Amplifier, check for improperly grounded RCA interconnects.
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Kayla DuncanSep 2, 2025
How to fix low output on Ssl Evolution EV4.400?
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  Daniel ClarkeSep 2, 2025
  If you are experiencing low output from your Ssl Car Amplifier, try resetting the Level Control and check the Crossover Control settings.
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Michael StarkSep 5, 2025
Why is there audio present in only one channel of my Ssl Car Amplifier?
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  Jeanne GonzalesSep 5, 2025
  If you only hear audio in one channel of your Ssl Car Amplifier, check the RCA interconnect cables and all speaker wiring.
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yolanda26Sep 7, 2025
How to eliminate high hiss in speakers with Ssl Evolution EV4.400?
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  John SmithSep 7, 2025
  If you notice a high hiss in the speakers connected to your Ssl Car Amplifier, disconnect all RCA inputs to the amplifiers. If the hiss disappears, plug in the component driving the amplifier and unplug its inputs. Continue until the faulty/noisy component is found. Set the amplifier's input level control as low as possible, and try to set the head unit as high as possible (without distortion) and the amp input level as low as possible.
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gloriaharrisSep 10, 2025
What causes engine noise (static type) in Ssl Car Amplifier?
- K
  Katherine FreemanSep 12, 2025
  Engine noise (static type) is usually caused by poor quality RCA cables, which can pick up radiated noise. Use only the best quality cables, and route them away from power cables.

Summary

EVOLUTION Amplifier Operation and Features

Introduction

Introduces the EVOLUTION series of high power car audio amplifiers and their features.

What is included?

Lists all items that should be included in the amplifier package.

Features

Details the key features and technical specifications of the EVOLUTION amplifier series.

About 2 Ohm operation

Explains the amplifier's ability to operate at 2 Ohm loads and the implications.

General precautions

Provides essential safety guidelines and precautions for using the amplifier.

Installation precautions

Outlines important safety measures to take during amplifier installation.

Mounting the amplifier

Step-by-step instructions for securely mounting the amplifier in a vehicle.

Connecting the amplifier

Guide to properly connecting power, ground, remote, input, and speaker wires.

Low Level Input Wiring

Details the procedure for connecting the amplifier using low-level (RCA) inputs.

High Level Input Wiring

Details the procedure for connecting the amplifier using high-level speaker outputs.

Power and Speaker Wiring

Illustrates the correct wiring for power supply and speaker connections.

Troubleshooting

Provides solutions for common operational problems and symptoms.

Specifications

Lists the technical specifications for the EV2.200 and EV4.400 models.

Ssl Evolution EV4.400 Specifications

General

Channels	4
Power Output	400W
THD @ RMS Output	0.01%
Minimum Impedance Unbridged	2 Ohms
Minimum Impedance Bridged	4 Ohms
RCA Inputs	Yes
Speaker Level Inputs	Yes
RMS Power @ 4 Ohms	100W x 4
RMS Power @ 2 Ohms	200W x 4
Bridged RMS Power @ 4 Ohms	400W x 2
Input Sensitivity	0.2V - 6V
Crossover	Variable