Focusrite ISA 428 MKI 4-Channel Mic Preamp + Digital ADC Card is a used item in very good condition, listed on Reverb. The asking price is £1,457. It is offered by RDS Music Gear through Reverb. Local pickup is available. It is in our Preamps & Channel Strips category. Used Gear Hunter first saw this listing on 2 November 2026 and last saw it on 10 November 2026. It has been seen 17 times in our scans. Prices are converted from the seller's currency when we scan the listing, so the amount you pay may differ slightly. The seller sets shipping, and import duty or VAT may apply, so check the final cost and the item's details on Reverb before buying.

From the seller

Incredible unit which I’ve used for many years in my recording studio and which has served me extremely well. I’ve recorded countless commercially released tracks through this unit, including some very successful releases, and the results have always been excellent. This is the original MkI version, featuring the gorgeous analogue-style VU meters, which I personally much prefer to the later MkII design. It also comes fitted with the optional digital A/D card, which adds significant value to the unit and is expensive and increasingly difficult to find when purchased separately. The ISA 428 was fully serviced by Focusrite in 2024 and is in very good condition considering its age and years of professional studio use. There are some cosmetic signs of wear to the outer casing from years of rack use, but the front panel is in very good condition, as shown in the photos. Will be sad to see it go!

Focusrite ISA 428 MKI 4-Channel Mic Preamp + Digital ADC Card

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