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Description

The K553 MKII is a closed-back, over-ear headphone aimed at studio monitoring, mixing and mastering. The closed design provides noise isolation, while the tuning is described as giving a wider, more open soundstage than is usual for closed-back models. It uses 50 mm drivers with a 32 Ω rated impedance and 114 dB SPL/V sensitivity, so it can be driven by laptops and mobile devices as well as studio sources.

The headband and cups use a lightweight over-ear construction with extra-large soft ear pads for long sessions, and the pads are replaceable. A 2D-axis mechanism lets the cups fold flat for storage and transport, and the weight is 305 g.

The cable is detachable and 1.83 m long. The box includes a 3.5 mm to 6.3 mm adapter, so the headphones connect to both portable devices and standard studio headphone outputs. Frequency response is stated as 12 Hz to 28 kHz.

Specifications

Brand
AKG
Model
K553 MKII
Category
Headphones

Audio

Frequency response
12 - 28000 Hz
Driver size
50 mm
Rated impedance
32 Ω
Sensitivity
114 dB SPL/V @ 1 kHz
Maximum input power
200 mW

Design

Cup style
Closed-back
Wearing style
Over-ear
Foldable
Yes
Replaceable ear pads
Yes

Connectivity

Cable
Detachable
Cable length
1.83 m
Included adapter
3.5 mm (1/8") to 6.3 mm (1/4")

Application

Studio monitoring
Yes
Studio mixing
Yes
Hi-Fi listening
Yes
Mobile devices
Yes

Physical

Weight
305 g (10.75 oz)
Item number
3280H00130

In the box

Headphones
1 x K553 MKII Studio Headphones
Cable
1 x 1.83 m (6') Detachable Cable
Adapter
1 x 3.5 mm (1/8") to 6.3 mm (1/4") Adapter

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Data: akg.com, tamsta.com; photos: AKG product page · updated 2026-10-26 · Report a mistake