
AKG
AKG K240 MKII Stereo Studio Headphones Renewed
★★★★★
Semi-open studio reference headphones with a 30mm Varimotion driver tuned for accurate monitoring across the full frequency range.
$89.99*$121.41Save 25%
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Overview
Key Features
Over-ear designfor comfort during long work sessions
Semi-open technologyfor solid bass and airy highs
Patented Varimotion 30 mm XXL transducerfor accurate signal transfer and great dynamic range
Self-adjusting headbandfor optimum fit
The choice of professionals around the worldstage and studio standard for more than two decades
Specifications
Brand
AKG
Model
K240 MKII
Condition
Renewed
Design
Semi-Open, Over-Ear
Driver
30mm Varimotion XXL Transducer
Connectivity
Wired (Detachable Mini-XLR)
Cable
Retractable / Detachable
Headband
Self-Adjusting
Form Factor
Over-Ear
Pros & Cons
👍 Pros
- Semi-open design delivers a natural, spacious soundstage that reveals stereo imaging and mix depth during monitoring
- 30mm Varimotion XXL diaphragm provides extended frequency response and wide dynamic range from a single driver
- 55-ohm impedance drives adequately from most interfaces and mixers without requiring a dedicated headphone amplifier
- Self-adjusting headband distributes weight evenly for comfortable wear across multi-hour mixing sessions
- Detachable mini-XLR cable system allows field replacement and choice between straight and coiled cables
👎 Cons
- Semi-open design leaks sound, making these unsuitable for tracking in the same room as a live microphone
- 30mm driver diameter is smaller than the 40-50mm drivers in competing studio headphones, which limits low-end extension and slam
- Renewed units may exhibit cosmetic wear and lack the full manufacturer warranty of a new pair
- Velour ear pads compress over time and require periodic replacement to maintain comfort and seal
- Lightweight plastic construction in the headband and gimbal feels less durable than metal-frame competitors
Frequently Asked Questions
What does "semi-open" design mean for monitoring use?
The semi-open back allows some air exchange, which produces a wider, more natural soundstage compared to closed-back headphones. The trade-off is moderate sound leakage — these are best for studio environments, not tracking vocals with a live mic nearby.
What is the Varimotion XXL transducer and why does it matter?
AKG's patented Varimotion diaphragm varies in thickness across its surface — thinner at the edges for extended high-frequency response, thicker at the center for controlled bass. This single-driver design delivers a wider dynamic range than a uniform diaphragm of the same 30mm size.
What impedance are these headphones, and will they need a headphone amp?
The K240 MKII is rated at 55 ohms, which is low enough to drive from most audio interfaces, mixers, and even some portable devices at reasonable volume. A dedicated headphone amp will improve dynamics and headroom but is not strictly required.
Does "Renewed" mean these are used or refurbished?
Renewed means the unit has been inspected, tested, and restored to working condition. It may show minor cosmetic wear. The functional performance — driver response, cable integrity, headband tension — should match a new unit.
Can the cable be replaced if it wears out?
Yes. The K240 MKII uses a detachable cable with a mini-XLR connector at the headphone end. AKG and third-party replacement cables are widely available, and the new MKII version ships with both straight and coiled cable options.