AKG K240 MKII

AKG K240 MKII Semi-open Pro Studio Headphones | Professional Semi-Open Studio Monitoring Headphones | Standard for Mixing, Arranging, and Music Production

Professional semi-open monitoring headphones designed for precise mixing and mastering.

The AKG K240 MKII is a professional **semi-open monitoring headphone** from AKG, featuring a circumaural design and equipped with 30mm dynamic transducers, offering a wide frequency response of 15Hz-25kHz and an impedance of 55 ohms. This headphone is an upgraded version of the classic K240 model, specifically designed for demanding professional applications such as studio monitoring, mixing, and mastering, providing uncolored and accurate sound reproduction.

Compared to traditional closed-back headphones, the **AKG K240 MKII**'s semi-open design provides a more expansive, natural soundstage and lower listening fatigue, while retaining sufficient sound isolation, making it perform exceptionally well during long mixing sessions. Its balanced frequency response and outstanding detail resolution make it a standard piece of equipment in numerous professional **studio headphones** worldwide, trusted by music producers and audio engineers.

Quick Facts

Brand:AKG
Model:K240 MKII
Headphone Type:Semi-open, Circumaural
Frequency Response:15Hz - 25kHz
Impedance:55 ohms
Applicable Scenarios:Studio mixing, mastering, podcast monitoring, instrument practice, Hi-Fi music appreciation

User Recommendation Analysis (Click to expand)

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Who Should Buy

Producers needing an affordable reference standard
Musicians practicing with digital instruments
Hi-Fi listeners wanting a neutral sound signature

Who Should NOT Buy

Commuters needing noise isolation in public
Bass lovers seeking a powerful, thumping low-end
Vocalists recording near a sensitive microphone

AKG K240 MKII Core Technologies and Features

Professional Semi-Open Design: Combines the low-frequency impact of closed-back headphones with the expansive and natural soundstage of open-back headphones. This design effectively reduces sound wave reflections within the earcups, providing more precise stereo imaging and lower listening fatigue, making it an ideal choice for long mixing sessions.
High-Precision 30mm Dynamic Transducer: Equipped with AKG's patented Varimotion™ technology 30mm XXL transducers, providing an extremely wide dynamic range, higher sensitivity, and high sound pressure level handling capability, ensuring faithful reproduction from deep bass to clear highs.
Ultimate Comfortable Wearing Experience: Features a self-adjusting headband design that perfectly fits any head shape without manual adjustment. Includes two different materials of replaceable ear pads (leatherette and velvet) to meet different user preferences and comfort needs for long-term wear.
Detachable Professional Cables: Equipped with professional-grade mini XLR connectors for a secure and reliable connection. The package includes a 3-meter (9.8-foot) straight cable and a 5-meter (16.4-foot) coiled cable, allowing flexible replacement according to studio or personal use scenarios.
Studio-Grade Durable Construction: Designed for professional environments, the structure is robust and durable, capable of withstanding daily high-intensity use. Its classic design and reliable performance make it one of the standard pieces of equipment in studios worldwide.

Standard Accessories and Connectivity Solutions

Rich Standard Accessories

Replaceable Ear Pads: Includes one pair of leatherette ear pads and one pair of velvet ear pads, which can be replaced according to personal preference and season to ensure optimal comfort.
EK300 Straight Cable: A standard straight cable with a length of 3 meters (approx. 9.8 feet), suitable for monitoring work in fixed positions.
EK500S Coiled Cable: A flexible coiled cable that can extend up to 5 meters (approx. 16.4 feet), providing greater freedom of movement, suitable for musicians during recording.
Gold-Plated Adapter: Includes a 3.5mm (1/8") to 6.3mm (1/4") screw-on gold-plated adapter, ensuring seamless connection with various professional audio equipment.

Technical Specifications (Tech Specs)

AKG K240 MKII Detailed Specifications

Headphone Type	Wired
Open/Closed Type	Semi-open
Wearing Style	Circumaural
Driver Size	30 mm
Frequency Response Range	15 Hz - 25,000 Hz
Sensitivity	104 dB SPL/V
Rated Impedance	55 Ohms
Max Input Power	200 mW
Cable Type	Detachable, includes 3m straight cable and 5m coiled cable
Connector	3.5mm (1/8-inch) stereo jack, with 6.3mm (1/4-inch) screw-on adapter
Ear Pad Material	Includes both leatherette and velvet materials
Weight (without cable)	240 g (approx. 0.53 lbs)

AKG K240 MKII Pros and Cons

Pros & Notes (Click to expand)

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Pros

The semi-open design provides a natural, spacious soundstage that reduces listening fatigue, combining the benefits of open and closed-back headphones for long mixing sessions.
Features a self-adjusting headband and includes two types of replaceable earpads (leatherette and velvet), ensuring a comfortable and personalized fit for extended professional use.
Equipped with two detachable cables (3m straight and 5m coiled) using professional mini XLR connectors, offering versatile and reliable connectivity options for various studio setups.
Patented Varimotion™ 30mm XXL transducers deliver a wide dynamic range and accurate, uncolored sound, ensuring faithful audio reproduction for critical listening and production tasks.

Notes to Know

The semi-open design naturally leaks sound, making them less suitable for recording in the same room as a microphone or for use in quiet public environments.
Designed for professional studio equipment, they may require a dedicated headphone amplifier or audio interface to achieve their full performance potential with consumer-level devices.

AKG K240 MKII FAQ

Q：What is the AKG K240 MKII Semi-open Pro Studio Headphones suitable for?

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A：It is ideal for studio mixing, mastering, and instrument monitoring. Its semi-open design provides an accurate, natural soundstage and reduces listening fatigue during long working sessions.

Q：What are the main differences between the K240 MKII and K240 Studio versions?

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A：The main difference lies in the accessories. The K240 MKII comes with two types of ear pads (velvet and leatherette) and two cables (straight and coiled), offering more flexibility in use.

Q：Is the K240 MKII worth buying for beginners looking to get into music production?

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A：Absolutely. The K240 MKII delivers a neutral, uncolored sound, which helps establish accurate listening standards, making it a highly cost-effective professional entry-level monitoring headphone.

Q：Does the K240 MKII's semi-open design leak sound?

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A：Yes, the semi-open design will have slight sound leakage, making it unsuitable for recording vocals or instruments in environments requiring absolute silence, but it is very suitable for mixing and personal monitoring.

THINK2 Warranty & Support

Service Highlights

Fast Shipping: In-stock items will be shipped within 24 business hours.
Professional Technical Support: Our certified audio engineers provide consultation for installation, licensing, compatibility, and setup.
Comprehensive Warranty & After-Sales Service: Includes both manufacturer warranty and THINK2 customer support.

※ Shipping times are calculated based on business days. Actual warranty follows the manufacturer’s policy. THINK2 provides integration and support assistance.

Warranty & Return Policy

With valid proof of purchase and product serial number, customers are entitled to manufacturer warranty and THINK2 after-sales service.
DOA / Non-human defects: Within 7 days of purchase, after verification, customers may request return or replacement.
Exclusions: Damages from misuse, unauthorized modification, consumable parts, natural disasters, or improper use beyond instructions.
Application Process: Contact customer service during business hours for return instructions.
Service Coverage: Taiwan region primarily; overseas based on logistics standards.

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