SKU: 90307545217

AKG K240 STUDIO Professional Semi-Open Stereo Headphones

Sale price$125.99 Regular price$139.99
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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22

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Description

AKG K240 STUDIO Professional Semi-Open Stereo HeadphonesThe K240 Studio headphones from AKG feature a semi open circumaural design and use patented Varimotion technology and extra large transducers to deliver extremely precise and detailed sound. The headphones have a self adjusting headband as well as thick around ear cushions for lasting comfort. The single sided detachable straight cable resists tangles and can be easily replaced. The cable has a gold plated 3. 5mm plug with a 1 4" screw on adapter to

The K240 Studio headphones from AKG feature a semi-open circumaural design and use patented Varimotion technology and extra-large transducers to deliver extremely precise and detailed sound.

The headphones have a self-adjusting headband as well as thick around-ear cushions for lasting comfort. The single-sided detachable straight cable resists tangles and can be easily replaced. The cable has a gold-plated 3.5mm plug with a 1/4" screw-on adapter to provide wide compatibility with consumer and professional audio devices.

Features

  • Semi-open, circumaural design
  • XXL transducers with patented Varimotion technology for crisp detailed sound
  • Self-adjusting headband fits virtually any head size
  • Thick around-ear cushions for lasting comfort
  • Single-sided detachable cable resists tangles and offers easy replacement
  • Gold-plated stereo 3.5mm mini plug with 1/4" adapter for compatibility with a variety of consumer and professional devices

Specifications

Headphone
Earpiece Design
Over-Ear (Circumaural), Semi-Open-Back
Earpiece Swivel
No
Earpiece Connection / Wearing Style
Headband
Foldable
No
Driver Size
1.2" / 30 mm
Impedance
55 Ohms
Active Noise Cancellation
No
Full Remote OS Support
None
Performance
Frequency Response
15 Hz to 25 kHz
Sensitivity
104 dB SPL/V at 1 kHz
Maximum Power Handling
200 mW
Wired Connectivity
Audio Connector
1/8" / 3.5 mm TRS Male
Connector Plating
Gold
Included Adapter
1/4" TRS
Audio Connector to Earpiece
Mini XLR 3-Pin
Cable Length
9.8' / 3 m (Straight Cable)
Color
Black
Environmental Protection
None
Weight
8.5 oz / 240 g
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 90307545217

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4.9 ★★★★★
Based on 29 reviews
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K
Verified Purchase
Karen L Geisler
Charlottesville, US
★★★★★ 5
Nice unit
Using this for deterring my hot rod being stolen. Good price for this. Installation was no surprises and just let them try to steal my hot rod now. First one that was ordered arrived damaged, went through the process of getting a replacement which was simple and received the replacement in a couple of days.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 20, 2024
S
Verified Purchase
Steven Runyon
Waukegan, US
★★★★★ 3
Does what it does
Does what it does
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Reviewed in the United States on November 10, 2025
G
Verified Purchase
Grant
West Palm Beach, US
★★★★★ 1
Failed after 2 months
Failed after about 2 months of being used as a battery isolator. When activated, only passes about 2 volts though the contacts on a 12 volt circuit now. Wasted my time and money.
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Reviewed in the United States on August 26, 2025
W
Wes
Whiting, US
★★★★★ 4
Works great
I used this to turn on with key on power in my truck. Power then goes through this and turns on my key on fuse panel. That way I can run a much larger cable from the battery to the fuse panel instead of pulling power through the ignition switch, where power output is limited. So far it doesn't get hot, though I am not running anything close to 500 amps through it. More like 75 amps max and even then it's only sometimes. No problems so far.
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Reviewed in the United States on July 28, 2024
A
Verified Purchase
Astrid Falcon
Battle Creek, US
★★★★★ 5
Heavy duty and has lasted three years so far
I have had this relay installed in the engine bay of my Lexus RX 300, functioning to link the front battery to the additional battery in the trunk whenever the ignition is on. The relay has worked reliably for about three years now with no complaints besides one minor comment, be careful when threading down the nut on the Low voltage side. It is prone to stripping
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Reviewed in the United States on March 24, 2025

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