Can put music via computer

There’s 2 USB port for connecting thumb drive, iPod, etc

does gemini sell a case for it

Hello - Gemini does not have a case for this

Can you start songs with crossfader

Yes, it is a Fader start Relay switch in the middle of the Control panel, down at the bottom, you have a Volume control bottom on the right and on the Left and they are number one and two, your cross fader is at the bottom you will have to start playing one song, Use the cross fader to start sliding it over to the next song and the next song will start playing. You can do this back-and-forth, the manual will show you how to do all this, you can go on YouTube to show you how to do it all,

I have peavey passive speakers. do i need an amplifier and if so, what amplifier would you suggest?

Yes you will need a amplifier, I use the Gemini xG3000 and the Rockville RPA9, I have been using Gemini DJ equipment for 20 years, you can use any DJ amplifiers you want, just check and see want you want, Read the instructions on the amplifier you want, I want to try another brand of amplifier, Rockville is a good amplifier but I do like Gemini, hope this help!!!

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CDM-4000BT

Product ID: 240285713

Details

Brand
Gemini
Connectivity Technology
Line In - RCA
Item Weight
5.5 kg
Number of Channels
2
Product Dimensions
10"D x 19.02"W

🎤Dual 1/4" mic inputs

🎧Dual touch-sensitive jog wheels

💿Standalone CD & USB playback

NZ$1679

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Own the Decks, Ditch the Laptop – Mix Like a Pro Anywhere!

RUGGED READY - Anti-shock RAM buffer and 2U rack-mount design built to travel and perform anywhere.
PRO LEVEL CONTROL - Dual jog wheels with pitch control, instant cue, and manual looping for hands-on creativity.
LAPTOP FREE MIXING - No computer, no software, no subscription—just pure DJ freedom.
BUILT FOR LIVE GIGS - Dual mic inputs and balanced XLR outputs perfect for weddings, clubs, and mobile setups.
VERSATILE MEDIA PLAYBACK - Seamlessly play CDs, USB drives (up to 64GB), and Bluetooth streams.

The Gemini CDM-4000BT is a standalone DJ CD player and mixer that empowers millennial pros to mix without a laptop. Featuring dual touch-sensitive jog wheels, versatile playback from CDs, USB drives, and Bluetooth, plus dual mic inputs and pro-grade outputs, it’s designed for seamless mobile gigs, weddings, and club residencies. Its rugged anti-shock design and rack-mount form factor ensure reliable performance on the go.

Specifications

ASIN	B08KYMXYVQ
Audio Input	Line In - RCA x 2
Best Sellers Rank	#31,007 in Musical Instruments ( See Top 100 in Musical Instruments ) #156 in DJ Mixers
Brand Name	Gemini
Connectivity Technology	Line In - RCA x 2, Microphone: 1/4" x 2
Customer Reviews	4.5 4.5 out of 5 stars (377)
Frequency	20 hertz
Global Trade Identification Number	00747705007247
Included Components	2 RCA cables, power cable, deck
Item Dimensions D x W x H	10"D x 19.02"W x 5.71"H
Item Highlight	Standalone CD, USB & Bluetooth DJ player + mixer - dual jog wheels - dual 1/4" mic in - no laptop
Item Type Name	DJ Digital Media Player
Item Weight	5.5 kg
Manufacturer	Gemini Industries, Inc.
Manufacturer Part Number	CDM-4000BT
Model Number	CDM-4000BT
Number of Channels	2
Number of Items	1
Number of Packs	1
Output Connector Type	Headphone 1/4", Headphone 1/8", Master XLR, Record RCA
Power Source	Corded Electric
Software Update Supported to Date	unknown
UPC	747705007247
Unit Count	1 Count
Voltage	120 volts_of_alternating_current
Warranty Description	2 year limited warranty.

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