ZRX Series: what is the Hi-Pass output for?

The Hi-Pass output on ZRX Series speakers passes only frequencies above 120 Hz, so you can send the low end to a subwoofer and the highs to your tops.

ZRX Series: how to use the phase switch

The phase switch on your ZRX Series subwoofer corrects phasing between the sub and your main speakers. If the bass sounds weak, flip the switch and keep whichever position sounds fullest.

XGA series: what the ground lift switch does

The ground lift switch on the XGA series amplifier breaks ground loops. Engage it when you hear a constant hum or buzz in your audio.

XGA series: what is bridge mode?

Bridge mode sends the signal from a two-channel amplifier to a single speaker for more power. Here is how to wire an XGA amplifier for it.

How to set up and troubleshoot an XGA series amplifier

Set up your Gemini XGA series power amplifier and fix common issues, covering power, gain, LED meters, stereo and bridge mode, connections, impedance, fuses, and troubleshooting.

WRX Series: how to set up your speaker

A quick setup guide for the WRX Series column array. Check the box contents, assemble the column on the subwoofer base, and connect power safely.

How to connect a microphone to your WRX series speaker

A quick three-step guide to connecting a microphone to your Gemini WRX-843 or WRX-900TOGO speaker, from setting MIC mode to dialing in the level.

WRX series: How to connect a line-level source to your WRX speaker

How to connect a line-level source to a Gemini WRX series speaker, covering stereo devices like DJ mixers over RCA, 1/8", or XLR, and mono instruments like keyboards and active guitars.

What is the difference between UHF and VHF wireless systems?

UHF and VHF wireless systems differ mainly in the radio spectrum they use. Here's how to pick the right one for your setup.

What is the difference between TWS and Multi-Link?

TWS pairs two speakers as a stereo left and right setup, while Multi-Link plays the same signal from several speakers off one source for more volume and coverage.

What is a USB audio interface?

A plain-language explanation of what a USB audio interface does and who uses one. It connects to your computer over USB and converts analog audio into a digital signal for recording and playback.

What is a MIDI controller?

A MIDI controller sends MIDI data to other gear or a computer so you can control parameters like volume, pan, and modulation. They come as keyboards, drum pads, wind controllers, and DJ controllers.

VirtualDJ LE setup guide

How to register your Gemini controller, install VirtualDJ LE, and enter your keycode so you can start mixing.

Virtual DJ keeps shutting down

Virtual DJ LE shuts your controller down after 15 minutes when the license key isn't entered correctly. Enter your included key at startup or in the Config menu to fix it.

Virtual DJ keeps shutting down

If Virtual DJ shuts your controller off after about 10 minutes, your Virtual DJ LE license key probably was not entered correctly. Enter it at startup or in Config to run in full mode.

V-CASE: Import your Traktor collection into V-CASE

Moving from Traktor to Gemini V-CASE? Export your Traktor collection as an NML file and import it so your Beatgrids and Cue Points carry over.

How to use Favorite Locations in V-CASE

Favorite Locations lets you pin the folders you use most so you can reach your music fast in V-CASE. Here is how to add one.

V-Case: How do I search my library?

Use the search field at the top of V-Case's left column to find tracks across every song attribute, then sort the results by title, artist, or any other field.

V-CASE: How to see more information about the selected track

Press the "i" button next to the track browser in V-CASE to open a window with more details about the highlighted track. You can also edit the track's information from that window.

Using USB flash drives

Most Gemini media players support USB flash drives up to 32GB. Here's how to build a continuous playlist and load it onto the drive.

TT-900: Where to find a replacement needle or cartridge

The Gemini Sound TT-900 uses a standard Ruby Ceramic turntable needle. Here is how to find a compatible replacement needle or cartridge.

TT-900: What is the 45 adapter and how do I use it?

The 45 adapter lets your TT-900 play 7-inch records with a large center hole. Here is what it does and how to use it.

TT-900: What are the dimensions?

The dimensions of the Gemini Sound TT-900 turntable and its speakers, in inches and millimeters.

TT-900: How to connect Bluetooth

How to switch the Gemini TT-900 turntable into Bluetooth mode and pair it with your phone, tablet, or other device.

TT-1100USB: why is the volume from my turntable so low?

A turntable's magnetic cartridge outputs a signal well below line level, so it needs a phono preamp to play at normal volume. Here is where that preamp lives and how to add one.

TT-1100USB: where to find the drive belt on your belt-drive turntable

On the TT-1100USB the drive belt ships packed around the metal ring under the platter. Here's how to find it and install it if it shipped loose.

TT-1100USB: How do I balance the tonearm on my turntable?

Step-by-step instructions for balancing the tonearm and setting the tracking force on the Gemini TT-1100USB turntable after installing a cartridge.

How to connect the TT-1100USB to a computer

The TT-1100USB has a class-compliant USB audio interface, so it works with any recording software with no driver install. Connect it and start recording.

How to change the belt on the TT-1100USB

A quick step-by-step guide to replacing the drive belt on the Gemini TT-1100USB turntable, from removing the platter to looping the belt around the motor spindle.

TT-1000BT: why it makes no sound on its own

The TT-1000BT has no built-in speakers. Here is how to connect it to external speakers over RCA or Bluetooth so you can hear audio.

SOSP-8: Is the battery replaceable?

The SOSP-8 battery is not user-replaceable because the speaker is sealed for waterproofing. If yours won't hold a charge, contact Customer Service.

Slate and Slate 4: Serato DJ setup guide

How to get your Gemini Sound Slate or Slate 4 running with Serato DJ Intro, including the ASIO drivers Windows users need.

SDJ-4000: why the audio loops when a track is paused

On the SDJ-4000, paused audio that loops means Vinyl mode is off. Silence when paused means Vinyl mode is on. Here is how to tell the difference and switch modes.

SDJ-4000: What is SCRUB and how do I use it?

The SCRUB strip below the jog wheel on the SDJ-4000 lets you move the playhead around a loaded track. Hold SHIFT and slide your finger to find the spot you want.

SDJ-4000: what is BPM mode?

The SDJ-4000 has three BPM modes that set how the BPM reads for each loaded track: Auto BPM, ID3, and Manual. Here's what each one does.

How to use the SDJ-4000 as a MIDI controller

Connect the SDJ-4000 to your computer over USB and it shows up as a MIDI device you can map in your DJ software.

SDJ-4000: How do I update the firmware?

A step-by-step guide to updating the firmware on the Gemini SDJ-4000 DJ media player using a USB flash drive.

SDJ-4000: How do I record a set?

Recording a set on the Gemini Sound SDJ-4000 takes a USB drive and one button. Here are the steps.

SDJ-4000: How do I connect a turntable?

Connect a turntable to the Gemini SDJ-4000 by wiring its RCA output to an open channel, then set that channel's input to line or phono to match your turntable.

SDJ-4000: How do I adjust the beat grid for a track?

On the Gemini SDJ-4000, give a deck focus with shift plus its Load button, then use the BPM and grid controls to edit that deck's beat grid.

Resolving Bluetooth connectivity issues with the WPX-2000

WPX-2000 Bluetooth dropping or refusing to pair? Work through four fixes, from a quick reset to a firmware update.

PMX-20: DVS controls for VirtualDJ

Set up DVS (Digital Vinyl System) control on the Gemini PMX-20 with VirtualDJ. Connect timecode players, enter DVS mode, and configure the software for playback and headphone cueing.

PMX-10 Traktor mapping

How to install the Gemini Sound Traktor mapping for the PMX-10 mixer and what each control does in Traktor Pro 3.

PMX-10: Traktor mapping

Install our mapping file to control Traktor Pro 3 with the PMX-10 mixer, and see how each knob, pad, and SHIFT function is assigned.

PMX-10: DVS controls for VirtualDJ

How to set up the Gemini PMX-10 as a DVS controller in VirtualDJ using timecode vinyl or CDs, including the preference settings you need.

PA-SYS15: How do I connect my speakers together?

The PA-SYS15 pairs a powered speaker with a passive one. Here is how to run a single speakON cable between them so both play together.

My unit is not reading my files on my flash drive

If your Gemini player will not read files from a USB flash drive, check the file format and where the files are stored. The CDM-4000 and CDMP-1500 read MP3 only, from the root folder.

My speakers sound flat

Flat sound almost always points to an EQ setting. Here's how to check the EQ on your speaker, mixer, and controller, then set a neutral starting point.

My speakers do not power on

If your Gemini speakers won't turn on, this guide walks you through the connections, power cable, and internal fuse so you can find the cause fast.

My speaker powers on but I cannot hear anything

No sound from a speaker that powers on is almost always a level setting or a loose connection. Work through the audio chain from source to speaker to find it.