Licensing & software
This is a Serato DJ Lite hardware unlocked device, meaning it unlocks Serato DJ Lite when connected.
It is also a paid upgrade to Serato DJ Pro device, meaning it requires the purchase & activation of a Serato DJ Pro license, in order to be used with Serato DJ Pro.
You can try Serato DJ Pro, before making a purchase:
Please ensure you have the latest version of Serato DJ Pro installed:
Drivers & firmware
The Reloop Terminal Mix 4 is a class-compliant USB plug and play device on macOS, but requires drivers on Windows.
If using a Windows operating system, please ensure you have the latest available driver installed.
For both operating systems, the latest firmware updates are also recommended.
These can all be downloaded from Reloop's website:
Overview
| # | TERMINAL MIX 4 | FUNCTION | SHIFT |
| 1 | CHANNEL FADER | Adjusts channel volume | - |
| 2 | CROSSFADER | Crossfades between the two channels | - |
| 3 | VU METER | LED representation of Master Output | - |
| 4 | TRAX | Scroll through currently focused area (library/crates/etc) | - |
| 5 | LOAD | Load track to selected deck | Activate Fader Start for that channel |
| 6 | FILTER | LP/HP filter combo adjust | - |
| 7 | CUE CHANNEL | Cue selected channel in headphones | - |
| 8 | DECK | Select Active Deck 1/3 (Left Deck) or 2/4 (Right Deck) |
Jump to start of track (more than 2 Sec elapsed) Previous track (less than 2 sec elapsed) |
| 9 | PLAY/PAUSE | Play/Pause | - |
| 10 | CUE | Temporary Cue | - |
| 11 | CUP | Stutter Play | - |
| 12 | SYNC | Sync On | Sync Off (Press twice to return to Absolute Pitch when in Relative Mode) |
| 13 | SHIFT/DEL | The SHIFT button is used with other buttons that have shift modifier functions. | - |
| 14 | PLATTER | Scratch or Jog deck | Beat Skip |
| 15 | HOLD | Toggle between Scratch or Jog | Fast Library Scroll when used with Jog Wheel |
| 16 | SAMPLER 1-3 | Trigger Samples 1-3 (Left Deck) or 4-6 (Right Deck) | Stop Samples 1-3 (Left Deck) or 4-6 (Right Deck) |
| 17 | SCISSORS | Activate Slicer Mode | - |
| 18 | HOT CUE 1-4 | Adds or triggers Cue Points 1-3 | Delete Cue Points 1-3 |
| 19 | TEMPO FADER | Adjust Tempo | When in Sync mode, used to disable the Pitch Fader temporarily and change the zero position |
| 20 | LOOP LENGTH (Knob) | Auto Loop On/Off or Exit Manual Loop (Click Knob) Auto Loop Length (Twist Knob) | Loop Roll On/Off (Click Knob) Change Loop Roll Length (Twist Knob) |
| 21 | FXSEL 1-3 (Buttons) | Slots 1-3 Effect On/Off | - |
| 22 | KEYLOCK | Keylock On/Off | Assign FX UNIT 2 to Active Deck |
| 23 | OFFSET LED | If you switch the deck and move the pitch fader the value will be stored. The LED shows whether the pitch fader is at its initial value when setting back. | - |
| 24 | RANGE | Cycles through available Tempo Range options | Assign FX UNIT 1 to Active Deck |
| 25 | FX 1-3 (Knobs) | Adjust Slots 1-3 FX Parameters | - |
| 26 | BEATS | Adjust Beats Multiplier | - |
| 27 | TAP (Button) | Tap to the desired FX tempo. To return to AUTO mode, press and hold | - |
| 28 | GAIN | Adjust channel gain | - |
| 29 | EQs | Adjust Low/Mid/High | - |
| 30 | PHONES | Adjusts headphone volume | - |
| 31 | MASTER | Adjusts master volume | - |
| 32 | BOOTH | Adjusts booth volume | - |
| 33 | CUE MIX | Adjusts between Cue and Master in your headphones | - |
| 34 | SAMPLE VOL | Adjusts the master volume of the sample player | - |
| 35 | LOOP LENGTH (Knob) | Auto Loop On/Off or Exit Manual Loop (Click Knob) Auto Loop Length (Twist Knob) | Loop Roll On/Off (Click Knob) Change Loop Roll Length (Twist Knob) |
| 36 | 2X | Double Loop Length | Loop Out/Adjust Loop Out Position |
| 37 | LOOP MOVE | Loop Shift left/right (Twist Knob) or Reloop (Click Knob) | - |
| 38 | 1/2X | Halve Loop Length | - |
| 39 | HOT CUE 4 | Add or trigger Cue Point 4 | Delete Cue Point 4 |
| 40 | SAMPLER 4 | Select Sampler Bank | - |
| 41 | CRATES | Cycle REC/FX/SAMPLER panels | Cycle SAMPLER/FX/REC panels |
| 42 | VIEW | Cycle View modes | Switch between 2 & 4 deck |
| 43 | BACK | Toggles focus between library/crates/open panels | - |
| 44 | PREP | Loads track to Prepare area | Open Prepare panel |
DJ-FX
The FX panel button is displayed in the top left area of the main Serato DJ Pro screen, click on this to toggle the DJ-FX panel.
With the DJ-FX panel open, you have control of two DJ-FX units, and if your hardware supports it, Channel FX, which can be applied to tracks played through your connected Serato DJ-hardware.
Both DJ-FX & Channel FX can be controlled with your mouse, by using dedicated controls on your hardware (where available), or by MIDI mapping controls to the respective software functions.
Learn more about how to use DJ-FX & Channel FX:
| TERMINAL MIX 4 CONTROL | FX FUNCTION | SHIFT FUNCTION |
| FXSEL 1 | Slot 1 Effect On/Off | Select Effect in Slots 1 |
| FX1 KNOB | Adjust Slot 1 FX Parameter | - |
| FXSEL 2 | Slot 2 Effect On/Off | Select Effect in Slots 2 |
| FX2 KNOB | Adjust Slot 2 FX Parameter | - |
| FXSEL 3 | Slot 3 Effect On/Off | Select Effect in Slots 3 |
| FX3 KNOB | Adjust Slot 3 FX Parameter | - |
| TAP | Tap to the desired FX tempo. To return to AUTO mode, press and hold |
- |
| BEATS | Adjust Beats Multiplier | - |
Looping
You have the choice of Auto or Manual Looping within Serato DJ Pro with the Reloop Terminal Mix 4.
NOTE: You can also save a loop to the next available free loop slot in the software. To do this, click the + on an empty loop slot.
| TERMINAL MIX 4 CONTROL | MANUAL LOOPING FUNCTION |
| 1/2X + SHIFT |
Set loop in point (Loop not active) Edit start of loop point (Loop active) |
| 2X + SHIFT | Set end of loop point (If Loop in point set) Edit end of loop point (Loop active) |
| LENGTH (CLICK KNOB) | Exit Loop (Loop Active) |
NOTE: The best way to edit the start and end points of a manual loop is with the jog wheel/platter of your Terminal Mix 4.
| TERMINAL MIX 4 CONTROL | AUTO LOOPING FUNCTION |
| LENGTH (CLICK KNOB) | Auto Loop On/Off |
| LENGTH (Twist Knob) | Loop Length Select |
MIDI
The MIDI feature in Serato DJ Pro allows you to remap Serato DJ Pro software functions to your primary Serato controller, interface or mixer. You can also assign controls to a secondary MIDI controller to further enhance your performance.
For more information on MIDI mapping with Serato DJ Pro, click here.
To remap your supported Serato device, open the SETUP screen and click the MIDI tab. If your Serato device supports hardware remapping, it will appear in the MIDI DEVICES list.
Select your connected device from the MIDI DEVICES list and check the Allow Serato Hardware Remapping option.
Once checked, the MIDI assign button at the top of the main Serato DJ Pro interface will become available for you to start remapping.
You can save, edit or delete MIDI presets in the MIDI tab of the SETUP screen. Clicking Restore Defaults will erase any custom mappings for all connected devices and revert their functions back to default.
Help
Show Tooltips
Click on the Help button in the upper right-hand corner of Serato DJ Pro, then Show Tooltips to enable Tooltips. Tooltips provide a handy way to learn the various features of Serato DJ Pro.
Move the mouse over a section of the software to bring up a context-sensitive tooltip that describes the feature.
Click on the Help button again to turn off Tooltips.
Show Shortcut Keys
Click on the Help button in the upper right-hand corner of Serato DJ Pro, then click Show Shortcut Keys to launch a pop-up window displaying shortcut keyboard combinations.
These shortcuts can help you perform various actions quickly, such as triggering specific deck functions, controlling playback, or navigating the library.
Watch Tutorials
Click on the Help button in the upper right-hand corner of Serato DJ Pro, then Watch Tutorials to launch
your default internet browser and watch tutorials to help you get familiar with Serato DJ Pro.
Get Support
Click on the Help button in the upper right-hand corner of Serato DJ Pro, then Get Support to launch your default internet browser and navigate to the Serato DJ Pro knowledge base, where you can find helpful articles and guides on Serato DJ Pro. Alternatively, type keywords in the Search Help box to search the Serato DJ Pro knowledge base for specific, related topics.