Heritage Audio MCM-8 II Summing Mixer

Marsoni

M251S

$1336.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Heritage Audio MCM-8 II Summing MixerIn 2015, Heritage Audio set a new standard in 500 Series enclosures with the addition of the OST technology. Further, we introduced the MCM8, a true transformer based voltage summing mixer for 500 Series modules. Hundreds of units later, we have taken all our customers feedback and included it in the new version, the MCM8 II. The main differences between this version and its predecessor are the Extra 500 series button per channel, allowing to bypass

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We offer a 30-day return/exchange service after receiving.
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Everything looks good quality to me. I find it odd that the people leaving bad reviews with pictures of broken and melted impeller, when you can clearly see the brass on the inside is brown and dirty like old pennies and mine is shiny new. It's almost like the took the pictures of the ones they replaced to get a refund and a free repair kit.

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Reviewed in the United States on April 26, 2026

Verified Purchase

Amazon Customer

Port Orchard, US

★★★★★ 5

Well made materials.

Arrived on time and well packaged. Good quality materials and exact fit. Perfect fit, Easy to install. Make sure to review installation instruction. Don't put the gaskets in the wrong place. Will buy again from this vender.

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Reviewed in the United States on September 17, 2025

Verified Purchase

Outdoorfun

Cuba, US

★★★★★ 5

Good for the $$$

Worked great on my Mercruiser Alpha One Gen 2. Once the bottom unit of the outdrive is off and cleaned it only takes a few minutes to install impeller, seals and housing. A very affordable alternative to taking it to the shop.

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Reviewed in the United States on September 22, 2025