Buy now

KLS 150

PROFESSIONAL CLOSED-BACK OVER-EAR HEADPHONES

Hear Every Detail. Trust Every Decision.

Buy now

KLS 150

PROFESSIONAL CLOSED-BACK OVER-EAR HEADPHONES

Hear Every Detail. Trust Every Decision.

Recommended Use

Professional closed-back over-ear headphone engineered for critical monitoring, mixing, recording, and live sound (FOH/MON)

Highlights
So comfortable, you’ll forget you’re wearing them.
Deep, controlled low-end with bass adjustment at your fingertips
Interchangeable ear cup covers for easy customization
Dual-shell earcup design for superior sound isolation
Rugged and durable — built for the road
Easy-to-read markers for precise, repeatable settings

Inside the KLS 150

  • KLS150-BassControl-ImageMap

    ADJUSTABLE BASS CONTROL

    Unlike traditional studio headphones with a fixed sound signature, the KLS 150 lets you tailor the low-frequency response to suit your personal preference, application, or listening environment.

  • KLS150-EarCupCovers-ImageMap

    INTERCHANGEABLE EARCUP COVERS

    Customize the look of your KLS 150 with optional color variants (coming soon), while protecting the Bass Control knobs from unintentional adjustment.

  • KLS150-Comfort-ImageMap

    PREMIUM LEATHERETTE MEMORY FOAM

    Premium memory foam adapts naturally to the shape of your head, while high-quality leatherette ear pads provide exceptional comfort, excellent sealing, and a premium feel. The design also provides excellent isolation for reliable monitoring in the studio and on stage.

  • KLS150-Cable-ImageMap

    LOCKING DETACHABLE CABLE

    The detachable high-quality cable features a secure locking connector to help keep it connected during recording, monitoring, and everyday studio use.

  • KLS150-40mmdriver-ImageMap

    CUSTOM 40 MM DRIVER

    The custom-engineered 40 mm heavy-duty driver delivers powerful, detailed, well-balanced sound with exceptional low distortion. Accurate low-frequency reproduction helps your mixes translate confidently.

  • KLS150-90-swivel-ImageMap

    90° SWIVELING EARCUPS

    Convenient 90° swiveling earcups make one-ear monitoring easy when you need to stay connected to your surroundings.

Specs

Components
Type closed-back, around-ear
Power
Electrical impedance 39 Ohms
Max. Input Power 1,600 mW
Sound
Driver Custom 40 mm heavy-duty dynamic transducer
Magnet Neodymium
Frequency range 12 Hz - 28,000 Hz
Sensitivity 98 dB
Dimensions
Headphone length 166 mm (6.5 in.)
Headphone width 83 mm (3.3 in.)
Headphone height 200 mm (7.9 in.)
Headphone weight 335 g (11.8 oz.)
What's in the box
headphones
ear cup covers
earcup cover opening tool
protective drawstring pouch
1/8” to USB-C adapter
straight 3m / 10 ft. cable
1/8” to ¼” screw-on adapter

Downloads

User Manual
  • "I can't believe it no one came up with this before! Most times I want the truth and sometimes I want some fun. sE gave us a fun knob right on the drivers! Love it!"

    — Drew Thornton (FOH/Monitor Teddy Swims, Billie Eilish, Finneas)
  • “The KLS 150s felt right straight away — snug, nicely isolated, and really comfortable to work in. But the acoustic Bass Control is the killer feature for me. Being able to dial the low end up or down mechanically, with no DSP, batteries or electronics in the way, is seriously clever. Simple, musical and genuinely useful.”

    — Virgil Donati (Multi-award-winning Drummer, Composer, and Producer - Planet X, Asia, Allan Holdsworth, Steve Vai, IceFish, PanzerBallet)
  • "For my mixes, I need to hear the truth — not something that simply flatters my ears. The KLS 150 gives me the detail and honesty I need to find problems, make better decisions, and ultimately build better mixes. And it's comfortable enough to let me do that for hours."

    — Patrick „Paddi" Krause (Monitor/FOH Engineer - Ghost, Toto, In Flames, Mastodon)
  • "The KLS 150 has everything it takes to become a leader in its category in today's world. It's a truly 21st-century device that performs exceptionally well both in the studio and on stage. What I really appreciate is how comfortable they are, even during long recording sessions, combined with an honest, natural sound."

    — Gergő Borlai (Lifetime Achievement Award-winning drummer (Frank Gambale, Guthrie Govan, Scott Kinsey & more)
  • "The KLS 150 impresses with its balanced, spatially accurate sound reproduction and excellent comfort, even when wearing glasses. Combined with its high level of sound isolation, the adjustable bass settings allow for quick and effective tuning to a wide variety of listening situations.”

    — Aaron Brüstle (Sound Engineer FoH / Monitor / System — Primal Fear, Avantasia, Orden Ogan, and many more)
  • "Finally, an over-ear headphone for drummers that really delivers! It's so comfortable, I can wear it for hours during long rehearsals or long days in the studio. I really like the sound which never becomes harsh or fatiguing. With the bass control, you can go from a balanced, studio-monitor-like sound to as much extra punch as you want.”

    — Sebastian "Captain" Schmidt (Professional Drummer, Recording & Touring Artist — Milky Chance, Phoenix, Adel Tawil, Sarah Connor, and many more)
How should I store my microphone?

We generally recommend keeping your microphone in its case or original packaging when it is not in use for more than a few hours. If your studio is very clean and safe, it could be OK to leave out on its mic stand when not in use, but if a mic is out of its case, it could potentially be exposed to dust, smoke, moisture, or humidity – which can damage the sensitive parts of the mic – so we recommend avoiding those things at all cost.

What are the differences between your microphones’ polar patterns? How do I choose the most suitable type of polar pattern for my recording environment?

There are no real “right” or “wrong” answers to this question, as different patterns will just provide different types of sounds, and whatever best suits your particular song is usually the right answer! With that said:

  • Cardioid – Generally best for recording vocals or other single sources, when you don’t want to hear much of the room sound around the source.
  • Omni – This is good when you want a less focused, more “roomy” sound. Think distant drum mics in a great-sounding room.
  • Figure-8 – Since this pattern lets the mic “hear” on both sides – front and back – and reject the sounds on either side, it’s handy if you want to record two sources at once from a point in between them, without hearing what’s off to the sides.
  • Hypercardioid / Supercardioid – More directional than Cardioid, this is good for spot mics, when you want the sound to be very focused.
My guitar amplifier / drum / horn is VERY loud, and I am concerned about the risk of damage due to loud noise.

For the most part, sE mics can tolerate extremely high SPLs (typically over 135dB) and will be fine in front of even the loudest sources – yes, even our ribbon mics. If in doubt, you can check the specifications on the individual product page.

Which sE mic is best for recording vocals / drums / guitars / etc.?

Check out our Find Your Mic page to find the perfect mic for your application.

How do I clean the microphone from spillage and dirt?

If your microphone has come in contact with dirt or another removable substance, we recommend cleaning it with a very soft, slightly damp cotton cloth. Do not open the microphone up to clean the inside, and make sure you NEVER touch the capsule itself. Cleaning a capsule should only be done by highly trained professionals in a “clean room” environment. If you suspect your capsule needs to be cleaned, please contact [email protected] so we can recommend an authorized local technician.

How do I connect my microphone to my computer?

You’ll need some sort of audio interface to do this – essentially, a box that converts an analog signal into a digital one, and sends the digital signal to your computer software in a way that your computer can understand. Some audio interfaces also include microphone preamplifiers, which raise the signal level from “mic level” to “line level” – if you are using an interface with no built-in preamp, you’ll need to plug the mic into a separate mic preamp first.

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