Sound Devices 688

Sound Devices 688

Sometimes you just can’t find the information you need on the Sound Devices 688. The aim is to use this Blog to help to provide links, documents, videos and anything else Sound Devices have released to hopefully make it easier. This is a work in progress and info will be added as it is released or found.

If you can’t find what you are looking for, please get in touch and we’ll do the research and add it in.

Looking to buy a Sound Devices 688? Get in touch at or 01789 777040 to enquire prices or check our listings – Sound Devices


Tech Notes
Searching for the Sound Devices 688 ‘approved media list’ or want to know how to edit your ‘headphone preset list?’ Check Sound Devices ‘Tech Notes’ to see if they have already answered your query – TECH NOTES

Firmware & Software
Check and download the latest Firmware and software for the Sound Devices 688 here – Firmware & Software


Documents & spec sheets

688 Specs

688 User Guide

688 Quick Start Guide

Accessories Documentation

CL-12 Quick Start Guide

CL-12 User Guide

SL-6 User Guide

There are more videos on the Sound Devices page – Videos


Comparison with the 633 & 664

FEATURE 688 664 633
Description 12 input, 16-track mixer/recorder
with Dugan Automixing / MixAssist
and optional SL-6 Powering and
Wireless System
12 input, 16-track mixer/recorder 6 input, 10-track mixer/recorder
with Dugan Automixing / MixAssist
Digital Mixing, Processing and Routing Analog
SuperSlot™ Wireless Receiver Integration via optional SL-6
RF Scan & Freq. Assignment ✓(with SL-6 & SuperSlot receivers)
Total Inputs 12 12 6
Mic / Line Inputs 6 6 3
Line Only Inputs 6 6 3
AES42 Digital Mic Inputs 2 2 1
AES3 Inputs 2 (4ch) 2 (4ch) 1 (2ch)
AutoMixers: MixAssist & Dugan
48V Phantom
HPF 80 – 240 Hz (analog and digital) 80 – 240 Hz (analog only) 80 – 240 Hz (analog and digital)
Input Limiters
Pre/Post Fade (analog and digital)
Pre/Post Fade (analog only)
Pre/Post Fade (analog and digital)
Output Limiters
Input Linking (Stereo and M/S) All input pairs Pairs 1-2, 3-4, 5-6 Pairs 1-2, 5-6
Slate Mic Built-in and External Built-in and External Built-in
Tone Osc
Bus Outputs 8 (L,R, X1-X6) 4 (L,R, X1-X2) 6 (L,R, X1-X4)
AES3 Digital Outputs 4 (8ch) 4 (8ch) 2 (4ch)
Transformer-balanced XLR / Hirose Outs
Direct Outputs For inputs 1-6
Headphone Outputs 2 2 2
2ch Camera Send/Return, 10-Pin Hirose 2 2
2ch Return, 1/8″ 1 1 1
Dedicated Com Return
Tape Out 1 2
Input Delay 0 – 30 mS 0 – 30 mS
Output Delay 0 – 417mS 0.0 – 10.0 frames
Hardware Faders Ch 1-12 Ch 1-6 Ch 1-6
Hardware Trim Controls Ch 1-6 (1-12 with CL-6) Ch 1-6 Ch 1-3
Hardware LR Pan Controls Ch 1-6 Ch 1-6 Ch 1-3
Hardware PFL Controls Ch 1-12 Ch 1-12 Ch 1-6
Hardware Trim Control of Digital Ins Ch 1 and 6
Metering 3 meter views, customizable 3 meter views, customizable 3 meter views, customizable
LR plus 12ch Vertical Metering
Recording Media CF, SD CF, SD CF, SD
Tracks 16 16 10
Max Sampling Rate 192kHz 48.048kHz 192kHz
Max Bit Depth 24 24 24
Max Pre-roll Time 6s 6s 6s
Audio File Formats Wav Poly, Wav Mono, MP3 Wav Poly, Wav Mono, MP3 Wav Poly, Wav Mono, MP3
Reel, Scene, Take, Notes, Phrases, Tracks ✓ (iXML, bEXT) ✓ (iXML, bEXT) ✓ (iXML, bEXT)
Sound Report Creation
Hi-Precision Ambient™ Generator / Reader
Word Clock Sync Reference
Power Source EXT DC, 5x AA, & NP1 (from SL-6) EXT DC, 5x AA EXT DC, 6x AA, 2x L-Mount
Integrated Power Distribution 4x DC Outs, USB Charging Port (with SL-6)
Wingman via iOS and Android Devices ✓ (WM-Connect required) ✓ (WM-Connect required) ✓ (WM-Connect required)
3rd-Party Remote Control via iOS Devices ✓ (:wave & MovieSlate required) ✓ (:wave & MovieSlate required) ✓ (:wave & MovieSlate required)
3rd-Party Web-based Remote Control via Android, PC or iOS Devices ✓ (Ambient Master Lockit & WiFi required) ✓ (Ambient Master Lockit & WiFi required) ✓ (Ambient Master Lockit & WiFi required)
SL-6 Powering and Wireless System
CL-12 Linear Fader Controller
CL-6 Input Controller
Carry Bag CS-688 CS-688 CS-633
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