Sound Magus SE90.4 User Manual

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SE90.2 / SE150.2/SE90.4 / SE150.4

SE800.1 / SE1500.1/SE2000.1 / SE3500.1

DSP DIGITAL POWER AMPLIFIERS

OWNER'S MANUAL

Table of Contents

Questions and Answers:

D
Deanna JohnsonAug 4, 2025
What to do if the Protection LED comes on in my Sound Magus Amplifier?
- N
  nlambertAug 4, 2025
  If the Protection LED on your Sound Magus Amplifier is illuminated, it indicates a potential issue. First, check for short circuits on the speaker leads, as this is a common cause. Also, ensure the speaker load is not beyond the minimum specified. Try removing the speaker lead and resetting the amplifier. If the LED remains on after these steps, the amplifier may be faulty and require servicing.
I
icarrAug 8, 2025
How to troubleshoot a Sound Magus Amplifier that will not power up?
- A
  Ashley ClarkAug 8, 2025
  If your Sound Magus Amplifier is not powering up, there are several things to check. First, ensure you have a solid ground connection. Next, verify that there is battery power at the (+) terminal. After that, inspect all fuses and replace them if necessary. Finally, confirm that the Protection LED is not illuminated, as this can prevent the amplifier from powering on.
J
Joshua DavisAug 12, 2025
Why is my Sound Magus Amplifier producing distorted sound?
- S
  Steven JohnstonAug 12, 2025
  If you are getting distorted sound from your Sound Magus Amplifier, there are a few things you should check. Make sure the input level control is set appropriately to match the signal level of your head unit, and always try to keep this level as low as possible. Verify that all crossover frequencies are correctly set. Also, check the speaker leads for any short circuits.
F
Frederick HughesAug 17, 2025
What to do if my Sound Magus Amplifier gets very hot?
- J
  Jerry CarrAug 17, 2025
  If your Sound Magus Amplifier is getting very hot, ensure that the load impedance is correct for your amplifier model. Also, make sure there is adequate air circulation around the amplifier. In some cases, adding an external cooling fan may be necessary.
J
Jason WongAug 21, 2025
What to check if my Sound Magus Amplifier has no output?

Sound Magus SE90.4 Specifications

General

Channels	4
RMS Power @ 4 Ohms	90W x 4
Signal to Noise Ratio	>90dB
Bass Boost	0 - 12dB
Minimum Impedance	2 Ohms
Crossover	LP/HP/Full

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