When comparing Korg SOS [$158 USD+] vs Zoom H6 [$399 USD+], the Slant community recommends Zoom H6 [$399 USD+] for most people. In the question“What are the best portable field recorders?” Zoom H6 [$399 USD+] is ranked 3rd while Korg SOS [$158 USD+] is ranked 5th. The most important reason people chose Zoom H6 [$399 USD+] is:
As well as a pad switch and phantom power in 3 different voltages.
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Pros
Pro Simplified use
Korg have attempted to keep things simple for the user, so selecting inputs is something the recorder does automatically, by scanning for a connection. For similar reasons, inserting a headphone jack disconnects the on‑board speaker, and there's an automatic input‑gain facility and a limiter, so you can maximise input levels.
Pro Built-in effects
The effects and processors are very usable, and are a definite asset: when you're trying to build an idea quickly, having to mess around with settings just to get something half‑decent can be a huge distraction, so being able to dial up a good cab emulation or a reasonably convincing tremolo preset is great.
Pro Unlimited overdubbing
What it does is provide a timing grid, and anything recorded is saved relative to the rest of the song's audio tracks, enabling the user to layer idea upon idea (hence the name) ready for mixing in your DAW later. At the same time, a mixed version of all the tracks is saved separately, making it quite possible to complete a mix in the box itself.
Pro 4.5v DC input
For connecting an optional mains power supply
Pro Increase playback speed without affecting pitch
It's even possible to increase playback speed (without affecting pitch) to 150 percent and reduce it to just 25 — although overdubbing is only possible over slowed-down, rather than sped‑up, audio, presumably to avoid deterioration of quality when slowing it back down to normal speed.
Pro Touchscreen display
Means that many settings and levels can be adjusted using nothing more than a finger move.
Pro Omnidirectional microphone
Pro Pocket‑sized
Pro Ulimited tracks
Pro Ability to loop
There are several A/B looping settings, to help performers get things right before committing each part to the mix
Pro Built-in rhythms
Pro Can record wave and mp3 at the same time
Pro Dedicated guitar port
Pro Dedicated gain control for each input
As well as a pad switch and phantom power in 3 different voltages.
Pro Interchangeable capsules
You can change to X/Y, MS, Shotgun, and Dual XLR/TRS Combo.
Pro 6-track recorder
Pro 4 XLR/jack inputs
Plus additional two XLR/jack inputs with dual XLR/jack capsule.
Pro Up to 99 marks per recording
Pro Built-in effects
Including lo-cut filtering, compression and limiting.
Pro Overdubbing, up to 99 takes
Pro X/Y pattern capsule has adjustable angles
You can adjust position of each microphone independently between 90° and 120°. Spacious stereo, that captures depth and distance and ignores unwanted noise behind recorder without phase shifting.
Pro Records wav and mp3
Choose up to 24-bit/96-kHz linear PCM WAV or select a variety of MP3 formats.
Pro Supportd SD cards up to 128GB
Pro Auto/Pre/Backup record support
Pro Screen illuminates
Can be used in low-light environments