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Numark KX04 four-channel DJ mixer, black metal chassis, front panel knobs and faders, rear XLR and RCA ports, compact desktop form

Numark KX04 4-Channel DJ Mixer Bluetooth USB 48V Phantom Power

SKU CH-9C01-SV38M

Four-channel mixer with Bluetooth streaming, USB MP3 playback and recording, 48 V phantom power and 3.5 mm headphone monitoring

  • Spec summary4, XLR/ 1/4 in / RCA audio cables connect Microphones,electr
  • Audio inputsXLR/ 1/4 in / RCA audio cables connect Microphones,electric
  • Channel count4
  • Frequency range20 Hz
  • Power supplyCorded Electric
  • Measurements50 in (127 cm)
  • 4-channel layout handles mics, instruments and media players
  • Bluetooth streaming from phones and tablets without cables
  • USB flash-drive playback and recording with transport controls
  • 48 V phantom power for condenser microphones on every channel
  • 5 mm headphone jack enables real-time monitoring

4-Channel DJ Mixer with Bluetooth and USB

The Numark KX04 is a 4-channel audio mixer designed for content creators, podcasters and live-streaming setups. Each channel accepts microphones, electric guitars, keyboards or CD players via XLR, 6.35 mm jack or RCA connections. A +48 V phantom power button supports condenser microphones on any channel.

USB Interface and Wireless Streaming

A built-in USB audio interface lets the mixer connect directly to a computer for recording or streaming without extra hardware. Bluetooth pairing streams audio from smartphones, tablets or iPads wirelessly, while a USB flash drive slot plays MP3 files or records the mix. Front-panel controls handle play, pause, track skip and mode selection.

Three-Band EQ and Effects Headroom

Every channel provides a three-band equaliser plus delay and echo effects for real-time sound shaping. A 3.5 mm headphone output enables latency-free monitoring during sessions. The mixer suits karaoke, worship, small-band shows and Zoom calls, but builders needing more than four simultaneous inputs or multi-track USB recording will need a larger console.

How it compares

Measured against everything we stock in DJ Mixing Boards, at today’s prices. Recalculated every night.

Price $66.99
Cheaper than about 74% of the 90 comparable items (median $138.49).

Specifications

Product
Brand nameNumark
Part numberKX04
Audio & video
Audio inputsXLR/ 1/4 in / RCA audio cables connect Microphones,electric guitar, electric keyboard and CD players, USB input connect USB flash disk, Bluetooth wireless input connect smartphone/tablets ect.
Channel count4
Frequency range20 Hz
Power
Power supplyCorded Electric
Size & build
Measurements50 in (127 cm)
Product weight0.608 kg
In the box
Package contents1

Questions about this item

What is the frequency response limit of the Numark KX04 mixer?

The mixer has a frequency response of 20 hertz, which defines the lowest audible tone it can reproduce during sustained use.

How much does the Numark KX04 weigh and what power supply does it use?

The unit weighs 0.608 kilograms and runs from a corded electric power supply, so heat and noise stay consistent during all-day sessions.

Which headphone jack size is needed for real-time monitoring on this mixer?

A 3.5 mm headphone plug is required to connect monitoring headphones directly to the mixer.

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