SWAMP S8-MK2 Mixing Desk with Compressor & USB Interface


SWAMP S8-MK2 8CH Mixing Desk - Compressor - Effects - USB Audio Interface

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8 Channel (4 Mic Pre's) analog mixing desk with USB audio interface. Featuring On-board Compressors, British EQ, AUX and effects options makes the S8-MK2 perfect for performing musicians and small bands.


SWAMP S8-MK2 Mixing Desk - 4 XLR Mic Preamp Inputs - USB Audio Interface
SWAMP impressed the market with original S series analog USB mixing consoles and now follow up with the S-MK2 series, featuring improved knobs and faders, robust design and 19inch rack rails included as standard.

The S-MK2 Series mixers combine excellent build quality, stunning sound performance and a remarkable price to offer unbeatable value. On-board Compressor, EQ, AUX and effects options makes the S8 perfect for performing musicians and small bands. A high quality Stereo USB output enables the S8 to be used with confidence, as a home studio audio interface.

Quality V+Z Preamps
Critical to the performance of any decent audio mixer are the in-built microphone preamps. Featuring carefully designed V+Z preamps that offer undistorted, noise-free gain with plenty of headroom, usually reserved for costly outboard preamps units. This is one place, we will never cut corners on.

In-Built Compressors
Each of the four XLR mic channels (1-4) features an in-built, 1-knob compressor that has intuitive threshold, ratio, attack and release presets. Increasing the compression on a channel will lower the dynamic range of the signal and increases it perceived loudness. The loud peaks are squashed down and the quiet sections are boosted. Use the compressor simultaneously with the gain knob for best results.

19" Rack Mountable - Rack Rails Included
The entire S-MK2 mixing desk series are 19" rack mountable, with the rack rails required included with every model. The rack rails simply attach to the side of the mixer with 3 screws already present on the mixer, then it is ready to be placed into any 19 inch rack case or frame.

AUX Sends - Pre or Post
Equipped with auxiliary (AUX) sends, that allow additional "mixes" of channels to be sent from the mixing console to foldback speakers or outboard effects. Ideal for creating foldback mixes for on stage performers. With a "Pre" and "Post" option for EACH CHANNEL, the AUX sends are extremely versatile. The FX channel can also be used as a 2nd AUX send.

In-Built Effects
Each channel has an FX control knob that will send the signal to the in-built stereo effects processor. Includes all the classic preset "mixing effects"; reverb, delay, chorus, flanger, etc. Main volume controls for the FX send and return enable you mix the "dry" and "wet" (effected) signals together for optimal results.

3 Band EQ Strip
Standard 3-band EQ with Bass, Mid and High controls. 15dB of level control each way gives the audio engineer plenty to work with.

USB Audio Interface Functionality
The S-series mixing consoles feature a USB input/output with quality A/D, D/A converters for 16-bit, 48kHz recording quality. The audio sent to the computer from the mixer is identical to the stereo MAIN MIX output signal. Audio from the computer can also be routed back into the mixer signal path for playback. It should be noted that the USB circuit cannot be used to record and playback signal simultaneously.


  • 4 V+Z mic preamps
  • 2 Stereo Line Inputs
  • Insert (send / return) channels
  • Intuitive Compression
  • 3-band EQ
  • 1 AUX send channels (2 if FX used as AUX)
  • Pre / Post Aux functionality
  • On board Effects processor
  • USB Connectivity
  • Headphone Output


Maximum Input Level: Mic +22dBu
Other Line: +20dBu
Maximum Output Level: Main XLR: +28dBu
Other Output +22dBu
Meters: 3 Colour LED, quasi peak response
Sensitivity: 0VU=+4dBu
Master Meter: 8 Segment, -20dB to Clip
Channel Meter: Red LED, Clip
Frequency Response +/-1dB, 20Hz - 30KHz
Mic CMRR at 1KHz: >70dB Typical
THD+n at +14dBu at 1KHz: Mic to mix out <0.005%
Crosstalk (@ 1KHz): Fader Shutoff >89dB
Mute Shutoff >89dB
Noise, rms 20Hz to 20KHz: Mic Input EIN -129dBu
Main Mixer Fader unity
channel fader down <-95dBu(-97dB S/N)
Main mix fader unity <-82dBu(-86dB S/N)
Channel HPF: 18dB/Oct below 75Hz
3-Band EQ

High: Shelving +/-15dB - 12KHz
Mid: Peaking +/-15dB - 2.5KHz
Low: Shelving +/-15dB - 80Hz

DSP: Converter: 24 bit sigma delta, 64/128-times oversampling
Sampling Rate: 40kHz
USB: Audio: Stereo In/Out
Connector: Type B
Converter: 16-Bit
Sampling Rate: 48kHz
Power Supply: 110-240VAC, 50/60Hz
Power Consumption: 40 Watts
Fuse: 100-240VAC, T 1.6A, 250V, 5x20mm
View PDF brochure for SWAMP S8-MK2 8CH Mixing Desk - Compressor - Effects - USB Audio Interface

Home recording mixer

By: Leland Hallett on 27 August 2018
I use this mixer for home recording it does everything I need it to and more. Comes with rack mounts as well and have been very please with the USB interface and the on board effects! Highly recommend this unit!

swamp s8-mk2 8ch mixing dexk

By: richard fox on 3 March 2017
great unit very versatile does all I want it to do and more. I give it 5 stars
By: Steve Holt on 3 August 2015
I use this mixer as a sub-mixer for my synth rig, utilising the on-board FX. It does a good job in this capacity, and slots nicely into the set-up.

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