*** This is the non Bluetooth version. Image used was for demo. purposes as the 2 models are exactly same except for Bluetooth feature.

The Gemini CDM-4000 (and its modern equivalent, the CDM-4000BT) is an all-in-one, standalone DJ workstation. It combines a dual-deck media player and a central 2-channel mixer into one compact, 19-inch rack-mountable unit. It eliminates the need for a laptop, making it a reliable solution for mobile gigs, bars, and restaurants.

Key Features

• Media Support: Audio CD, CD-R, MP3-CD, and USB storage devices (up to 64 GB, FAT/FAT32/NTFS formats).
• Bluetooth Connectivity: The "BT" version adds wireless streaming from smartphones or tablets.
• Jog Wheels: Two touch-sensitive, rubberized jog wheels handle scratching, track searching, and pitch bending.
• Beatmatching Tools: Variable pitch control sliders (± 12%) and Pitch Bend buttons (± 16%).
• Creative Control: Seamless looping with re-loop, Instant-start with preview, and frame-accurate track searching.

Mixer & Inputs/Outputs

• 2-Channel Mixer: Includes Gain control, a 2-band rotary EQ (High and Low), and dedicated volume faders.
• Inputs: 2x stereo RCA pairs for external line devices, 1x \(\frac{1}{4}\)" front-panel microphone input, and dedicated Bluetooth channel.
• Outputs: Professional balanced XLR outputs, plus RCA master and recording outputs.
• Headphones: \(\frac{1}{4}\)" and \(\frac{1}{8}\)" headphone jacks on the front panel.

Reliability & Usability

• Anti-Shock: Utilizes RAM buffer memory to ensure skips and vibrations do not disrupt playback.
• Display: Features a large, blue-backlit LCD screen for track times, navigation, and modes.
• Playback Modes: Single and continuous play, a program feature for automatic playlist creation (great for venues), and "+10" track buttons for fast navigation.