AlphaTheta DDJ-FLX2 vs. Pioneer DJ DDJ-FLX4

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AlphaTheta DDJ-FLX2

Pioneer DJ DDJ-FLX4

Overview

Mixer channels

DDJ-FLX2: 2
DDJ-FLX4: 2

Built-in audio interface

DDJ-FLX2: Yes
DDJ-FLX4: Yes

Operation mode

DDJ-FLX2: Computer / mobile
DDJ-FLX4: Computer / mobile

Controller layout

DDJ-FLX2: Club / standard
DDJ-FLX4: Club / standard

Jog / platter type

DDJ-FLX2: Capacitive-touch
DDJ-FLX4: Capacitive-touch

Master output class

DDJ-FLX2: Unbalanced
DDJ-FLX4: Unbalanced

Standalone playback

DDJ-FLX2: No
DDJ-FLX4: No

Standalone mixer

DDJ-FLX2: No
DDJ-FLX4: No

Software & operation

Official software support

AlphaTheta DDJ-FLX2

rekordbox

Official support: Yes
Hardware unlock: Yes

Serato DJ

Official support: Yes
Hardware unlock: Yes (Lite)

Serato DJ Pro requires a separate license.

Traktor

Official support: Yes (paid license required)
Hardware unlock: -

Official Traktor Play support.

VirtualDJ

Official support: Yes (paid license required)
Hardware unlock: -

djay

Official support: Yes
Hardware unlock: -

Pioneer DJ DDJ-FLX4

rekordbox

Official support: Yes
Hardware unlock: Yes

Serato DJ

Official support: Yes
Hardware unlock: Yes (Lite)

Lite is free; Pro requires a separate paid license or subscription.

Traktor

Official support: Yes
Hardware unlock: -
Included license: Yes (Play)

Free Traktor Play license via Native Access when the controller is connected. Traktor Pro is supported with a separate license.

VirtualDJ

Official support: Yes (paid license required)
Hardware unlock: -

djay

Official support: Yes
Hardware unlock: -

Works with the free version of djay; djay Pro requires a subscription.

Decks & mixer

Deck control

DDJ-FLX2: 2
DDJ-FLX4: 2

Physical deck sections

DDJ-FLX2: 2
DDJ-FLX4: 2

DVS

DDJ-FLX2: No
DDJ-FLX4: No

Channel gain / trim knobs

DDJ-FLX2: No
DDJ-FLX4: Yes

EQ bands per channel

DDJ-FLX2: 3
DDJ-FLX4: 3

Per-channel filter

DDJ-FLX2: Yes
DDJ-FLX4: Yes Through the Smart CFX knob.

User-replaceable crossfader

DDJ-FLX2: No
DDJ-FLX4: No

Hardware crossfader curve

DDJ-FLX2: No
DDJ-FLX4: No

Connections

Master output

DDJ-FLX2: 1 × 3.5 mm stereo
DDJ-FLX4: 2 × RCA (unbalanced)

Booth output

DDJ-FLX2: None
DDJ-FLX4: None

Headphones

DDJ-FLX2: 1 × 3.5 mm stereo
DDJ-FLX4: 1 × 3.5 mm stereo

Microphone inputs

DDJ-FLX2: None
DDJ-FLX4: 1 × 6.35 mm TS

Line / phono inputs

DDJ-FLX2: None
DDJ-FLX4: None

Aux input

DDJ-FLX2: None
DDJ-FLX4: None

Computer USB

DDJ-FLX2: 1 × USB-C
DDJ-FLX4: 1 × USB-C

Dual-computer support

DDJ-FLX2: No
DDJ-FLX4: No

DMX output

DDJ-FLX2: No
DDJ-FLX4: No

Built-in speakers

DDJ-FLX2: No
DDJ-FLX4: No

Connection exceptions

DDJ-FLX2: -
DDJ-FLX4: Second USB-C port supplies power only.

Jog wheels & transport

Jog / platter diameter

DDJ-FLX2: 106 mm lower numeric value
DDJ-FLX4: 111.6 mm higher numeric value

Jog display

DDJ-FLX2: No
DDJ-FLX4: No

Jog display technology

DDJ-FLX2: No display
DDJ-FLX4: No display

Feel / tension adjustment

DDJ-FLX2: No
DDJ-FLX4: No

Tempo fader length

DDJ-FLX2: 60 mm
DDJ-FLX4: 60 mm

Performance & FX

Pads per deck

DDJ-FLX2: 8
DDJ-FLX4: 8

Velocity-sensitive pads

DDJ-FLX2: No
DDJ-FLX4: No

Pad backlighting

DDJ-FLX2: Single-color
DDJ-FLX4: Single-color

Dedicated stems controls

DDJ-FLX2: No
DDJ-FLX4: No

Hardware FX

DDJ-FLX2: No
DDJ-FLX4: No

FX controls

DDJ-FLX2: Knobs / buttons
DDJ-FLX4: Knobs / buttons

Extra features

DDJ-FLX2: Smart CFX
Smart Fader
DDJ-FLX4: Smart Fader
Smart CFX

Display & media

Main display

DDJ-FLX2: No display
DDJ-FLX4: No display

Touchscreen technology

DDJ-FLX2: No touchscreen
DDJ-FLX4: No touchscreen

Media / storage

DDJ-FLX2: None
DDJ-FLX4: None

Network / wireless

DDJ-FLX2: Bluetooth MIDI
DDJ-FLX4: Bluetooth MIDI

Size & power

Width

DDJ-FLX2: 383.2 mm lower numeric value
DDJ-FLX4: 482 mm higher numeric value

Depth

DDJ-FLX2: 208 mm lower numeric value
DDJ-FLX4: 272.8 mm higher numeric value

Height

DDJ-FLX2: 48.2 mm lower numeric value
DDJ-FLX4: 59.2 mm higher numeric value

Weight

DDJ-FLX2: 1.2 kg lower numeric value
DDJ-FLX4: 2.1 kg higher numeric value

Power source

DDJ-FLX2: USB bus-powered
DDJ-FLX4: USB bus-powered For mobile operation, use a separate USB power adapter: 9 V / 3 A.

Audio specifications

Audio resolution (bit)

DDJ-FLX2: 16 / 24
DDJ-FLX4: 16 / 24

Sample rate (kHz)

DDJ-FLX2: 44.1 / 48
DDJ-FLX4: 44.1 / 48

Frequency response

DDJ-FLX2: 20 Hz–20 kHz
DDJ-FLX4: 20 Hz–20 kHz

Signal-to-noise ratio (dB)

DDJ-FLX2: 102 lower numeric value
DDJ-FLX4: 103 higher numeric value

Master out THD (USB, %)

DDJ-FLX2: 0.006 higher numeric value
DDJ-FLX4: 0.005 lower numeric value

Audio note

DDJ-FLX2: USB path.
DDJ-FLX4: USB path; S/N at rated output, A-weighted; THD measured over 20 Hz–20 kHz.

Notable included items

DDJ-FLX2: USB-C cable
DDJ-FLX4: USB Type-C cable

Choose two to four controllers from the database to compare specifications.