Native Instruments Traktor Kontrol S2 Mk2
The Native Instruments Traktor Kontrol S2 Mk2 is a 2 deck all-in-one controller with an integrated audio interface. It has a pair of balanced 1/4" TRS outputs and a pair of unbalanced RCA outputs which both output the main mix, a 1/4" TRS headphone jack, and a 1/4" TRS microphone input. The microphone input is digitized and available to the computer for recording and broadcasting. The Kontrol S2 Mk2 can run with only USB bus power and an optional power supply can be connected to make the LEDs brighter and the headphone output louder.
The Kontrol S2 Mk2 can be distinguished from the Mk1 by the jog wheels. The top of the jog wheels on the Mk2 are shiny aluminum; the top of the jog wheels on the Mk1 are black. The Kontrol S2 Mk3 does not have effects knobs at the top.
Reviews:
The Kontrol S2 Mk2 is a USB audio and HID class compliant device. It is fully compatible with Linux, Windows, and macOS. No proprietary driver is required on Linux or macOS. For Windows, download and install the latest driver from Native Instruments' website.
| Output | Device | Channels |
|---|---|---|
| Master | Traktor Kontrol S2 Mk2 | Channel 1 - 2 |
| Headphones | Traktor Kontrol S2 Mk2 | Channel 3 - 4 |
| Input | Device | Channels |
|---|---|---|
| Microphone 1 | Traktor Kontrol S2 Mk2 | Channel 1 - 2 |
Do not configure the Record/Broadcast input in Mixxx.
Touch the top of the jog wheel and turn it to scratch. Move the jog wheel from the edge without touching the top to nudge the track. Hold shift and spin the jog wheel to seek quickly.
The encoders work differently in Mixxx than in Traktor:
- Left encoder: Turning jumps forward/backwards by the beatjump size. If a loop is enabled, turning moves the loop by the beatjump size. Push and turn to adjust the beatjump size. Turning with shift adjusts the musical key. Pushing with shift resets the key to the track's default.
- Right encoder: Turning halves/doubles the loop size. Turning with shift beatjumps by 1 beat forward/backward, or if a loop is enabled, moves the loop 1 beat forward/backward. Pushing (de)activates a loop. Pushing with shift reactivates a disabled loop, or if a loop is enabled, jumps to the loop in point and stops the deck.
- In & Out buttons: Manually set the loop in and out points. Press and hold while moving the jog wheel to adjust the loop in or out point.
The top pad row has 3 different modes.
- Hotcue mode: This is the default mode when Mixxx starts. The pads control hotcues 1-4. The color of the hotcues is shown on the pads. Press an unlit button to set a new hotcue. Press a lit pad to seek to the hotcue. Press a lit pad with shift to delete the hotcue.
- Intro & Outro cue mode: This mode is activated by pressing the flux button above the tempo fader. Pads 1 & 2 are used for the intro start & end cues and light up green. Pads 3 & 4 are used for the outro start & end cues and light up red.
- Sampler mode: This mode is activated by the button under the Remix knob in the center of the mixer. Press an unlit pad to load the selected track in the library to the sampler. Loaded and stopped sampler pads are lit white. Press a white pad play a sampler. A playing sampler is lit magenta. Press a lit pad with shift to stop a sampler, or if it is already stopped, unload the sample.
The bottom pad row works as labelled on the controller:
- Sync: Press to sync tempo. Press and hold to enable sync lock. Press again to disable sync lock. Press with shift to enable sync lock without needing to hold.
- Cue: Behavior depends on the cue mode set in the Mixxx preferences. Press with shift to seek the beginning of the track and stop.
- Play: Play or pause the deck. Press with shift to toggle keylock.
Adjusts the tempo.
Mixxx does not yet have a very useful flux/slip mode, so instead this button toggles the top pad row to the intro/outro cues. Press the button when it is lit to return the top pad row to hotcue mode.
When slip mode is implemented in Mixxx in the future, this could be changed so shift + flux button activates intro & outro mode for the pads.
- Top encoder: Controls the QuickEffect superknob for the deck. With shift, controls gain. Press to reset the QuickEffect superknob. Press with shift to reset gain. Press and turn to change the effect chain preset loaded to the QuickEffect chain (new in Mixxx 2.4).
- FX routing buttons: Assign the deck to effects units 1 and 2.
- EQ knobs: Adjust the high, middle, and low frequencies.
- Cue button: Toggle whether the deck is routed to the prefader headphone output. With shift, toggle quantize for the deck.
- Fader: Control the deck volume
- Main volume knob: Adjust the volume of the main output. This acts on the controller's audio interface output in hardware, so it is not mapped to the main mix gain knob in Mixxx (otherwise the gain would be applied twice).
- Remix knob: Adjusts the gain of samplers 1-8.
- Remix buttons: Toggles the top pad row of the corresponding deck to control samplers. Press when lit to return the pads to controlling hotcues.
- Browse encoder: Scroll through the music library. Push to maximize the library browser on screen. Turn with shift to scroll 5 rows at a time.
- Load buttons: Load the track selected in the library to the corresponding deck. Press with shift to unload a track.
- Meters: The meters show the levels for each deck.
- Crossfader: Crossfade between the decks.
The Kontrol S2 Mk2 uses the standard Mixxx effects mapping.
The cue volume knob adjusts the volume of the controller's audio interface in hardware, so it is not mapped to Mixxx (otherwise the gain would be applied twice). The cue mix knob is mapped to Mixxx. The Mic Engage button toggles talkover for Microphone Input 1 in Mixxx.
> usbhid-dump -d17cc:1320 | grep -v : | xxd -r -p | hidrd-convert -o xml
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> lsusb -vd 17cc:1320
Bus 001 Device 010: ID 17cc:1320 Native Instruments
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 239 Miscellaneous Device
bDeviceSubClass 2
bDeviceProtocol 1 Interface Association
bMaxPacketSize0 64
idVendor 0x17cc Native Instruments
idProduct 0x1320
bcdDevice 0.46
iManufacturer 12 Native Instruments
iProduct 7 Traktor Kontrol S2 MK2
iSerial 13 737C9B2E
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x0154
bNumInterfaces 6
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 480mA
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bLength 8
bDescriptorType 11
bFirstInterface 0
bInterfaceCount 3
bFunctionClass 1 Audio
bFunctionSubClass 0
bFunctionProtocol 32
iFunction 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 1 Control Device
bInterfaceProtocol 32
iInterface 7 Traktor Kontrol S2 MK2
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdADC 2.00
bCategory 8
wTotalLength 0x0077
bmControls 0x00
AudioControl Interface Descriptor:
bLength 8
bDescriptorType 36
bDescriptorSubtype 10 (CLOCK_SOURCE)
bClockID 40
bmAttributes 1 Internal fixed clock
bmControls 0x07
Clock Frequency Control (read/write)
Clock Validity Control (read-only)
bAssocTerminal 0
iClockSource 26 Internal Clock
AudioControl Interface Descriptor:
bLength 17
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 2
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bCSourceID 40
bNrChannels 4
bmChannelConfig 0x00000000
iChannelNames 16 Main Left
bmControls 0x0000
iTerminal 2 Input
AudioControl Interface Descriptor:
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bDescriptorType 36
bDescriptorSubtype 6 (FEATURE_UNIT)
bUnitID 10
bSourceID 2
bmaControls(0) 0x00000000
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bmaControls(3) 0x00000000
bmaControls(4) 0x00000000
iFeature 15 Output Volume Control
AudioControl Interface Descriptor:
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bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 20
wTerminalType 0x0301 Speaker
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iTerminal 5 Audio Output Terminal
AudioControl Interface Descriptor:
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bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0201 Microphone
bAssocTerminal 0
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bmChannelConfig 0x00000000
iChannelNames 28 Mic In (Mono)
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iTerminal 3 Audio Input Terminal
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bmaControls(2) 0x00000000
iFeature 14 Input Volume Control
AudioControl Interface Descriptor:
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iInterface 8 Audio Out
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iInterface 9 Audio Out Alt
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iChannelNames 16 Main Left
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bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bSubslotSize 4
bBitResolution 24
Endpoint Descriptor:
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bEndpointAddress 0x01 EP 1 OUT
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wMaxPacketSize 0x0100 1x 256 bytes
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bLength 8
bDescriptorType 37
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bmAttributes 0x00
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bLockDelayUnits 2 Decoded PCM samples
wLockDelay 0x0008
Endpoint Descriptor:
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bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
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bDescriptorType 4
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iInterface 10 Audio In
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iInterface 11 Audio In Alt
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bDescriptorType 36
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bTerminalLink 22
bmControls 0x00
bFormatType 1
bmFormats 0x00000001
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bmChannelConfig 0x00000000
iChannelNames 28 Mic In (Mono)
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bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
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bSubslotSize 4
bBitResolution 24
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bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
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Synch Type Asynchronous
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wMaxPacketSize 0x0080 1x 128 bytes
bInterval 1
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bLength 8
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
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bLockDelayUnits 2 Decoded PCM samples
wLockDelay 0x0008
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.10
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 817
Report Descriptors:
** UNAVAILABLE **
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bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 5
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 4
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 254 Application Specific Interface
bInterfaceSubClass 1 Device Firmware Update
bInterfaceProtocol 1
iInterface 0
Device Firmware Upgrade Interface Descriptor:
bLength 7
bDescriptorType 33
bmAttributes 7
Will Not Detach
Manifestation Tolerant
Upload Supported
Download Supported
wDetachTimeout 250 milliseconds
wTransferSize 64 bytes
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 5
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 240
bInterfaceProtocol 0
iInterface 40 iAP Interface
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x85 EP 5 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 6
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 239 Miscellaneous Device
bDeviceSubClass 2
bDeviceProtocol 1 Interface Association
bMaxPacketSize0 64
bNumConfigurations 1
can't get debug descriptor: Resource temporarily unavailable
Device Status: 0x0000
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