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Focusrite Scarlett OctoPre 8-channel Microphone Preamp

8-channel Mic/Line Preamplifier, 24-bit/192kHz, with 8 line outputs and ADAT Outputs - macOS/Windows
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Item ID: ScarOctoPre
Focusrite Scarlett OctoPre 8-channel Microphone Preamp
Price:$579 and 99 cents
Special Financing - Ends Aug 2, 2026. $17/month with 36 month financing*

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This item requires extra delivery time from Focusrite. Order today to reserve yours now, risk-free, or contact us for more information. Estimated June 2026.

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Focusrite Scarlett OctoPre 8-channel Microphone Preamp
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Price:$579 and 99 cents
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This article was Written By

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Expand Your I/O with Scarlett

Need more channels from your digital interface? The Focusrite Scarlett OctoPre expands your setup with eight additional 2nd-generation Scarlett mic preamps. Also onboard is Focusrite's high-res 24-bit/192kHz AD/DA conversion. OctoPre gives you eight line outputs to feed your analog rig, along with ADAT optical output to expand any ADAT-equipped interface. OctoPre's pristine Focusrite preamps, high-quality conversion, and expansion capabilities make it the ideal way to grow your studio.

Designed for flexibility

The Focusrite Scarlett OctoPre is equipped with eight vibrant, 2nd generation Focusrite mic/line preamps that offer high headroom, copious clean gain, low noise, and vanishing low distortion — perfect for tracking drums, guitars, vocals, and more. Want to take the bass or keys direct? Scarlett OctoPre makes it convenient with its two extended-headroom front-panel instrument inputs. ADAT outputs offer easy connection to any interface or digital system fitted with ADAT optical inputs, and the analog line outputs are perfect for feeding an analog console while recording with the digital outputs.

Award-winning Focusrite preamps onboard

For over 25 years, Focusrite's award-winning pres have proven their mettle in pro studios around the world. Focusrite ports their considerable design savvy into the transparent, low-noise, low-distortion preamps in the Scarlett OctoPre. This is the same technology found in Focusrite's flagship products, giving you gobs of available headroom to accommodate your dynamic, condenser, and ribbon mics on any source, no matter how boisterous. Of course, you also get phantom power for your mics that require it.

Accurate digital conversion and sync

Sweetwater engineers know that conversion is key to superior digital audio, and every Scarlett unit features Focusrite's class-leading 24-bit/192kHz conversion. Offering up to 109dB of dynamic range, the Scarlett OctoPre is the easy, clean way to expand your studio I/O.

Exclusive software bundle gets you up and running fast

The Focusrite Scarlett OctoPre ships with a killer software bundle headlined by a 3-month Avid Pro Tools Artist subscription and Ableton Live Lite. You also get the Focusrite Red Plug-In Suite. Focusrite has included everything you need to get up and running fast. Along with this, you also get the Focusrite Hitmaker Expansion, which includes:

  • Antares Auto-Tune Access
  • Relab LX480 Essentials
  • Softube Marshall Silver Jubilee 2555
  • XLN Audio Addictive Keys
  • XLN Audio Addictive Drums 2
  • Brainworx bx_oberhausen
  • Brainworx bx_console Focusrite SC
  • Focusrite Red Plug-in Suite
  • Brainworx bx_masterdesk

Focusrite has also partnered with Splice to give Scarlett OctoPre owners a free 3-month Splice Sounds subscription when setting up their new Splice account. Splice Sounds offers millions of high-quality, royalty-free loops, one-shots, and presets, with new releases daily from your favorite sound designers, artists, and producers. Artists are using Splice to create all kinds of music, from chart-topping pop and Grammy-winning albums, to underground mix tapes, and even cinematic scores. Making studio quality productions has never been easier when you buy a Focusrite Scarlett OctoPre.

Focusrite Scarlett OctoPre Features:

  • 8-channel mic/line preamp expansion with ADAT output
  • 8 x 2nd-generation Scarlett mic/line pres,
  • 8 line outputs, fed from mic preamps
  • Up to 24-bit/192kHz AD/DA for high-resolution audio
  • ADAT outputs (8 channels at up to 48kHz, 4 channels at 96kHz, 2 channels at 192kHz)
  • Mic pres and front-panel instrument inputs engineered with generous headroom
  • 5-segment LED metering and channel clip indicators
  • 48-volt phantom power available across all inputs (switchable: 1-4, 5-8)
  • Word clock I/O
  • 3-year warranty

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Warranty Info

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Tech Specs

  • Preamp Type: Solid State
  • Number of Channels: 8
  • Phantom Power: Yes
  • Sample Rate: Up to 192kHz
  • Bit Depth: 24-bit
  • Analog Inputs: 8 x XLR-1/4" combo
  • Analog Outputs: 8 x 1/4"
  • Digital Outputs: 2 x Optical Toslink (ADAT)
  • Clock I/O: In/Out
  • Software: Focusrite Red Plug-in Suite, Softube Time & Tone Bundle
  • Rack Spaces: 1U
  • Power Source: Standard IEC AC cable
  • Depth: 11.26"
  • Weight: 7.1 lbs.
  • Manufacturer Part Number: AMS-SCARLETT-OCTOPRE

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Reviews

Great Way to Add 8 Audio Inputs to Focusrite Scarlett 18i20 Audio Interface
I love the Focusrite Scarlett series since they work with Protools DAW. They have great sounding preamps. I ran out of inputs with my synth studio. I came across the Focusrite OctoPre. I never used ADAT before, or synced two audio interfaces before. So I had to learn about the different types of cables used to sync up the units. After reading the manual, I was able to sync up the two units for 16 x 1/4 audio or XLR inputs. We produced several songs with the OctoPre synced up to the 18i20. They synced up to the Protools MIDI clock without any problems. Check out Midnight Angels, Lysette Lee, and Christine Lee for tracks produced with this unit.
Music background: Original Recording Artist, Lead Guitars, Synthesizers, Song Writer
Easiest Way To Add 8 More Mic Pre's To Your Interface!
I needed to add 8 more mic channels to my UA Apollo 8 for tracking a total of 16 at the same time. The fact that you can Adat in at 24/96, (or more) solved an age old problem without huge cost. I can now record and entire group live, or mic and track a huge drum set with matching pre amps. I happen to leave the unit connected direct to the drum mics with levels pre-set and avoid 'patch bay spaghetti' level 'scramble', and 'Guess my EQ'. I did a mic-pre shoot out between the Octo 8, my main Apollo (4), its slave a Warm Audio (4), and a UA 710 (my choice for big vocal condenser mics), and a Chameleon 7603 my Neve Clone go to.
Music background: Player, Writer, Engineer, Studio Designer.
Get This!
I got this a few years ago to add 8 more inputs to my Apollo Duo. Hooked it up via optical cable and it just worked. No complicated setup, no fiddling with settings to get it up and running. Sounds clean, easy to use and it looks cool on my desk.
Octopre
Great addition to the Focusrite Scarlet 18i20.
Music background: Berklee Grad
Outsanding
This was a great choice for my needs. I needed an expander that would work with my UMC-1820 and had audio throughput for all 8 channels. A shoutout to Ed Needler, my sales engineer, who was extraordinarily patient and worked with me to get just what I needed. This is a very well built and solid unit from the case to the buttons and knobs. Set up went without a hitch and it did exactly what I needed it to do. Sound quality very good as well. Note that it is 11.26" deep so if your other gear is not as deep (like mine) plugging and unplugging can be a little tricky. Overall, very, very pleased with unit. A note: the Berhinger ADA 8200 says it has direct audio throughput... it does not).
Music background: Seasoned musician

If you're like a lot of the recording engineers here at Sweetwater, then you probably grew up with stories of the legendary Focusrite Forte console and its ISA preamps. Our relationship with Focusrite is extremely tight, and we regularly enjoy everything from the inside scoop on new gear to fish and chips when they stop by Sweetwater. While Focusrite still produces the classic analog preamps, EQs, and compressors we love, our Sales Engineers are just as excited to introduce our customers to their remarkable RedNet network audio platform, and we have worked with Focusrite to outfit studios, churches, venues, and schools with this awesome technology in action. From everyday audio interfaces to full system designs, if you want Focusrite gear, Sweetwater has you covered.