Focusrite Clarett 2Pre
Ten inputs and four outputs in a half-rack aluminum box. It's the smallest Clarett.
Overview
The Clarett 2Pre is the entry point to Focusrite's Thunderbolt line. It's overqualified for a desktop interface. Two combo XLR/¼" jacks on the front take mic, line, or instrument signals. The rear panel adds four ¼" TRS analog outputs, MIDI I/O on DIN connectors, a Thunderbolt port, and an 8-channel ADAT optical input. That makes it a 10-in, 4-out interface supporting up to 24-bit, 192 kHz resolution. Those numbers sit well above what the two visible preamps on the front panel would suggest. Collectors and working engineers note the same thing: the 2Pre looks like a two-channel box but behaves like a small studio hub.
The case is sturdy aluminum in a half-rack format, which suits something that lives on a desk next to a laptop. Each channel carries its own 48 V phantom-power switch and an analog Air effect. Air is Focusrite's nod to the ISA heritage. It reshapes the mic preamp's frequency response to add definition and presence. It's a presence lift, not a magic wand, and it flatters sources that already have something worth flattering.
The real story is the Thunderbolt throughput. Focusrite's pitch was low-latency tracking at high track counts even with small buffer settings, and the period review backs it up: Pro-Sound (March 2018, p.19) described the Clarett USB line as laying down a challenge to interfaces twice the price, with ultra-low noise and distortion and wide dynamic range. That's the kind of claim that sounds like marketing until you've fought a buffer setting at 2 a.m., and it's the reason the Clarett line exists at all.
Routing and configuration run through the included Focusrite Control software. It handles the Air effect, I/O assignment, sample rate, digital-clock sync, and analog line-versus-instrument levels per channel. That suits a computer-centric desk and frustrates anyone hoping to set-and-forget the box standalone. Focusrite's own documentation at launch listed Mac OS X support (Mavericks or later) with Windows support described as on the way, so early buyers on the PC side were waiting. That's a real limitation of the first-generation Thunderbolt Claretts, and worth knowing before chasing one on the used market.
Pricing was $499 street at introduction. Focusrite's own advertising billed the Clarett series as laying down a challenge to interfaces twice the price, which reads as advertising rather than verdict. But the independent review landed in much the same place, calling the preamps marvelous with and without Air and concluding the unit sounded better than almost anything else in its price range. The reviewer's summary was that it suits singer/songwriters and personal studios that don't need much analog I/O, which is a fair read of a 10x4 box with two physical preamps.
On a used unit, check a few things. The Thunderbolt connection ties the 2Pre to a host with a Thunderbolt port, and the original Mac-only support window means Windows users need to confirm driver availability for their OS before buying. The half-rack aluminum case holds up well, but the front-panel combo jacks and their phantom switches see the most hands. Spare parts availability and common failure modes aren't documented in the material available here, so test both preamps, phantom power, and the ADAT input before purchase.
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