AKG K121 High-performance studio headphones

The K121 MKII professional on-ear semi-open headphones are a cost-effective alternative to the K141 MK IIs for studio monitoring and playback. Designed for single-ear use, they deliver familiar sound and make intonation easy.

The K121 MKII headphones feature gimbal-suspended leatherette ear cups for easy cleaning. The self-adjusting headband makes them comfortable to wear and easy to use, even in long work sessions. The K121 MKII's come with a fixed, single-sided, straight cable.

General Specifications

Headphone typesemi-open

Audio frequency bandwidth18 - 22500 Hz

Sensitivity headphones114 dB SPL/V

Rated Impedance55 Ohms

Detachable cableno

Cable Length3 m

Earpads replaceableyes

Dimensions

Length23 mm

Width11 mm

Height22 mm

Net Weight220 g

Design

Finishmatte black

Audio Interface

TypeStereo plug – 3.5mm (1/8") with 6.3 mm (1/4”) screw-on adapter

GenderMale

Contacts3-pin

Interface finishGold

Cable

FixedYes

Wearing Style

On-earYes

Application

Studio MixingYes

Hi-Fi ListeningYes

Foldable

FoldableYes

Cup Style

Semi-openYes