Focusrite Scarlett OctoPre


8- Channel Microphone Preamplifier

  • From the Scarlett series
  • With built-in 24 bit A/D converter
  • Up to 192 khz
  • 8 Microphone/ line combined inputs: XLR/ Jack 6.3 mm
  • Input 1 and 2 can be used as instrument inputs
  • 8x Line outputs: 6.3 mm Balanced jack
  • 2 ADAT outputs
  • BNC Word clock input and output
  • 48 V Phantom power
  • LED Display
  • Built-in power adapter
  • Design: 19"/ 1 U
  • Weight: 3.29 kg
  • Incl. Hitmaker Expansion Software Bundle (Ableton Live Lite, 3 months Splice Sounds membership and Plug-in Bundle for songwriting, mixing and mastering, Pro Tools Artist (3 months subscription) and Avid Complete Plug-in Bundle)

Hitmaker Expansion Plugins:

  • LANDR - AI-based mastering tool (two-month subscription)
  • Softube Marshall Silver Jubilee 2555 - Amp Sim
  • XLN Audio Addictive Keys - Virtual Keyboard Instruments
  • XLN Audio Addictive Drums 2: Studio Rock - Virtual Drum Library
  • Antares Auto-Tune Access - Vocal Tuning
  • Brainworx Bx_console Focusrite SC - Channel Strip
  • Focusrite Red 2 & 3 Plug-in Suite - EQ and Compressor
  • Relab's LX480 Essentials - Reverb
  • Native Instruments MASSIVE, FAST Balancer
Available since March 2017
Item number 405398
Sales Unit 1 piece(s)
Channels 8
Number of microphone inputs 8
Instrument input Yes
Tubes No
Compressor/Limiter No
Equalizer Yes
De-Esser No
Phantom power Yes
Phase Reverse No
External effect loops No
Analogue Outputs Jack
Digitale Outputs ADAT
Headphone connection No
Level Meter Yes
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Affordable high-quality eight-channel preamp

The Scarlett OctoPre from Focusrite is an affordable yet high-quality compact eight-channel preamp unit that provides an extension for an existing audio interface (regardless of manufacturer). The staple preamps are the same as on the second-generation Scarlett series and provide up to 50 dB of gain and a clean and dynamic sound that is usually only found at higher price points. All the inputs are in XLR/jack combo format and allow mic or line-level signals, while two of the front sockets have switchable high-impedance inputs, so that instruments can be directly plugged in. Each channel is equipped with a pad for attenuating signals that are too hot, and thanks to the handy metering section, which consists of five LEDs per channel, gain staging is quite intuitive, and can be carried out on the unit itself. The OctoPre also comes complete with the Focusrite Hitmaker Expansion, a comprehensive software package that essentially gives you everything you need to carry out every stage of the production process on your computer, from beginning to end.

controls on the front of the Focusrite Scarlett OctoPre

Internal conversion and ADAT connectivity

The Focusrite Scarlett OctoPre features high-grade internal converters which can operate at resolutions of up to 24 bit/192 kHz and can easily be connected to audio interfaces via the ADAT optical interface. The double ADAT output, coupled with the sample multiplexing function, allows all eight channels to transmit simultaneously at sample rates of up to 96 kHz. The word clock interface allows the unit to synchronise with other converters in the network – an operation also possible via the ADAT output, as long as the OctoPre is set as the master. If you wish to remain purely analogue however, the signal can simply be sent straight to the balanced line outputs without any conversion taking place.

level volume display on the right ride of the Focusrite Scarlett OctoPre

The perfect recording rig upgrade

The OctoPre is budget-friendly, features professional-grade preamps and conversion, and will nicely upgrade any home or project studio equipped with an audio interface with ADAT connectivity. Its compact and sturdy construction, just one HU high in 19" format, also make it an excellent candidate for mobile recording. The neutral and clean sound of Focusrite's preamps has stood the test of time, making the OctoPre appealing to a wide variety of users.

outputs on the back of the Focusrite Scarlett OctoPre

About Focusrite

Founded in 1985 by Rupert Neve, Focusrite quickly made a name for itself with high-quality analogue consoles. Today, the company markets audio interfaces, mic preamps, consoles, analogue EQs, and channel strips as well as hardware and software for digital audio processing. The company is based in High Wycombe, England, and has won numerous industry awards. In addition to the Focusrite Pro line, the company also has subsidiaries that include Adam Audio, Novation, and iOS app creator Ampify Music.

A straightforward solution for extensive recording

If you need eight additional input channels to seriously track a drum kit, or even a whole band for that matter, the Focusrite Scarlett OctoPre is the perfect solution. Combining it with the Focusrite Scarlett 18i20, the flagship model of the series, puts a total of 16 premium-grade preamps at your disposal. If your audio interface has even more digital inputs, you could also cascade two or more OctoPre units, although, depending on the specifications of your hardware, you might be limited to lower sample rates.

back of the Focusrite Scarlett OctoPre preamp

Hitmaker Expansion

The Hitmaker Expansion contains software tools for further enhancing your music productions: Guitar sounds with Softube Marshall Silver Jubilee 2555, tuning options for vocals with Antares Auto-Tune, reverb effects with Relab's LX480 Essentials, the XLN Audio Addictive Drums 2: Studio Rock kit, and the XLN Audio Addictive Keys Studio Grand Piano. Additionally, an EQ and compressor are offered with the Focusrite Red Plug-in Suite, a full channel strip offering an EQ, de-esser, compressor, limiter, gate, and expander with Bx_console Focusrite SC, and finally, two months with the Landr Studio mastering tools with five free masters to add the finishing touch to your projects. With the Hitmaker Expansion, you get both the interface and a selection of tools, so you have all the software you need to get started.

Different programs found in the Hitmaker expansion

70 Customer ratings

4.8 / 5

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41 Reviews

Faster. Easier. Better.
Uroborus 22.08.2017
I bought the OctoPre to expand my Scarlett 18i20 via ADAT, and it works really well.
The product comes in a very simple packaging, just a box of recycled paper, two power cables (for EU and UK power sockets) and the unit.
This simplycity reflect the easy-to-use preamplifier. To connect it to the interface just plug the Toslink cable to the audio interface and it will setup immediatly. The preset configurations of the Focusrite sofware simplify even more the first setup, altough more precise confuìiguration can easily set from the menu.
The unit seems solid and well-manufactured, ph.power could be activated for channels 1-4 or 5-8, like 18i20 interface, there's a six-led meter (but in my opinion a larger display could provide more acurrancy in in a fast sound check) and also a -8dB pad for each channel. Analog Pres can provide up to +66dB gain.
The only cons I can claim is the absence of the two phones out in the front panel, like the 18i20, but in the rear panel you can find eight analog outs that can partially solve this problem.
I suggest this product for bands and/or home studios that want to expand their ADAT interface.


Just what I needed
RicSef 03.02.2019
I needed more inputs for my RME to connect additional gear and this was just what I needed for a great price.

Pay attention that outputs on this unit just sends input channel signal through. It cannot send output signal via ADAT (look for Clarett OctoPre for that).

Gain knobs adjusts each L/R channel separately, I find it hard to tune it with such small knobs, wish there would be some "Lock" function for L/R gain.

Love the precise LED indicators which helps avoid clipping.
Very good quality / price ratio.


A simple and great solution
Sylvain E. 26.06.2023
For a recording on the go or even in a home studio, this is a great tool. Just plug in to your soundcard and you've got 8 tracks more.
It's simple, the sound is really correct, all in all this is a very nice way to begin a home studio or to record on the road.
Recommanded !


extending, not condemming
Jens20 01.12.2020
I already owned the scarlett 18i20 and wanted to be able to record a full band live so now i'm able and i'm happy.


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