AKG K 240 MK II Stereo Studio Headphones - Accurate, Comfortable Sound

Our review of the AKG K 240 MK II finds a pair of professional over-ear, semi-open headphones that excel for mixing and extended studio sessions. They are most compelling for musicians, producers, and audio engineers who need a clear, neutral sound and long-wearing comfort; the single biggest reason to buy is the accurate, natural presentation delivered by the patented Varimotion 30 mm XXL transducers, which provide a wide dynamic range and reliable detail retrieval during critical listening.

Key Features

• Semi-open design: balances airy highs with solid bass so mixes translate well between headphones and speakers.
• 30 mm XXL transducer: patented Varimotion diaphragms deliver accurate signal transfer and a broad dynamic range for detailed monitoring.
• Comfortable fit: over-ear ear pads and a self-adjusting headband keep the headphones usable for long recording or editing sessions.
• Two cable options: included 10 ft and 16 ft cables (EK300 and EK500 coiled) give flexible reach in studio and stage setups.
• Durable accessories: comes with both velvet and leatherette ear pads so users can choose comfort or isolation depending on preference.
• Wide frequency bandwidth: 15 Hz to 25,000 Hz provides the extension needed to monitor both low-end content and detailed high frequencies.

Who It's For

The K 240 MK II suits producers, tracking engineers and musicians who need clear, uncolored sound and a dependable pair of headphones for mixing, monitoring, and reference listening. The accurate midrange and natural treble make them especially useful for tasks where tonal balance and instrument detail matter.

Those who need total isolation for noisy environments, active noise cancellation, or headphone models tuned for heavy consumer bass may want to look elsewhere; the semi-open design gives some sound leakage and a more open presentation rather than tight isolation.

Pros & Cons

Pros

• Excellent sound quality and detail retrieval from the Varimotion 30 mm transducers.
• Comfortable over-ear fit with self-adjusting headband for long sessions.
• Includes two cable options and swappable ear pads for flexibility in the studio.
• Wide frequency response and high sensitivity for accurate monitoring.

Cons

• Mixed feedback on build feel; some users report the construction seems less premium than higher-cost competitors.
• Semi-open design means limited noise isolation and some sound leakage in loud environments.

Specifications

Driver size	30 mm
Frequency response	15 - 25,000 Hz
Rated impedance	55 ohms
Sensitivity	104 dB SPL/V @ 1 kHz
Maximum input power	200 mW
Cable lengths	10 ft (EK300) and 16 ft coiled (EK500)
Included accessories	Velvet & leatherette ear pads, two cables, K240 MKII headphones

Our Verdict

The AKG K 240 MK II is a practical, value-driven choice for studio professionals who prioritize accurate, natural sound and long-term comfort. With its Varimotion transducers, swap-able pads and generous cable options, it delivers monitoring performance that stands up in tracking and mixing situations, making it good value for those focused on sound quality rather than isolation or luxury build materials.

Frequently Asked Questions

Are these suitable for mixing?
Yes. Their accurate midrange and wide dynamic range make them well suited for mixing and critical listening in studio settings.

Do they isolate well in noisy rooms?
No. The semi-open design provides some isolation but will leak sound and is not intended for high-noise environments.

What cables and pads are included?
The package includes an EK300 10 ft cable, an EK500 16 ft coiled cable, two velvet ear pads and two leatherette ear pads.