Customer ratings for Pronomic MC4-600 Power Amplifier 4x 900 Watt

4.2/5.0
Based On 4 ratings
5 Stars
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Price performance fits
Review from Markus Werthner, on 21.11.2023
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 verified purchase
I am pleasantly surprised, very quiet in operation, good sound, light, easy to use.
The test run with 2 18 mm subs and 2 15 mm speakers went well.
Let's see when the system is fully installed....
So far, I'm thinking about buying a second one.
Output stage
Review from Nancy on 20.11.2023
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 verified purchase
Everything is fine, this power amplifier does what it should also on tour on stages
Much better than expected.
Review from Bernhard on 05.08.2024
Variant Pronomic MC6-400 Power Amplifier 6x 600 Watt
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 verified purchase
Positive:
Good output, no noise. (Mixer noises far more than the amp) Well equipped with low- and hipass filters. Bridge operation is also possible. Compared to Crown, Yamaha and Chinese amps from other mail order companies, I don't hear any noticeable distortion or frequency deviations.
Fans are pleasantly quiet. They do get louder when they are running continuously, but that doesn't bother me.

Negative:
The front air intake has no grille or felt. When installing it in the rack, I dropped a screw into the amp. You urgently need to improve this.
No 2 ohm operation. But this is not to be expected for the price.
The potentiometers on the front are not really stable and not very comfortable. This is negligible. They are always at full stop anyway.
The power amplifier does not meet high-end home hi-fi requirements....
Review from Jochen on 31.03.2024
Variant Pronomic MC6-400 Power Amplifier 6x 600 Watt
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 verified purchase
...because the high frequencies are a bit harsh compared to the older Alto D4 with Powersoft Digimod1000 modules.

However, in the power range I use (the -36dB level LED hardly flickers), the MC6-400 does not produce any noticeable noise with >110dB/watt MT and HT horns.

However, it fulfills my requirement to test 3 different subwoofers (18", 15", 12") with different setups without having to reconnect them.

As with all reasonably powerful low-cost power amplifiers: The built-in fans are far too loud.
So after the end of the warranty period, here's a tip: go for a suitable fan from the world of silent PCs!