Pioneer DDJ-FLX4 / DDJ-400: used price in the UK

What a used Pioneer DDJ-FLX4 / DDJ-400 sells for, what to check and what usually goes wrong. Updated September 2026.

Used, working order	£115 - £200
New price (RRP)	£269
How fast it sells	Sells very fast

About this model

The DDJ-FLX4 replaced the DDJ-400 in 2022, and both sell in the same band. These are the most common beginner controllers, so they sell very fast.

Check both jog wheels, every pad and the crossfader, and test it with rekordbox on a laptop before you pay.

What to check before you buy

Every jog wheel, pad, button and encoder
Crossfader and channel faders for scratchiness
USB connection to a laptop with the software
Headphone out
Rekordbox / Serato licence status

Common faults and rough repair costs

Fault	Fix	Rough cost
Faulty fader / crossfader	Medium - soldering / disassembly / YouTube guide	£8-£45
USB / driver issue	Easy - DIY, no special tools	£0-£15
No power	Medium - soldering / disassembly / YouTube guide	£3-£60
Crackly / scratchy pots or jacks	Easy - DIY, no special tools	£5-£12

Selling one on

Pioneer DDJ range is extremely liquid, especially DDJ-400 / FLX4 to beginners. Numark / Hercules are slow. CDJs and XDJs are high value and sell to pros.

Boxable with original box; otherwise collection.

Where this price comes from

This is the range the flipper extension uses for a used Pioneer DDJ-FLX4 / DDJ-400 in working order in the UK. It is a starting point, not a quote: condition, extras, the original box and where you are all move the price, and faulty ones sell for much less.

On a live Marketplace listing, flipper checks that range against real sold prices and live eBay listings for the exact model, works out your profit after fees and flags faults the seller mentions. It is free while in testing. Join the testers.