| Content | DT 990 PRO
Professional headphone for studio applications, open
Features
Open, diffuse-field systems
Professional version of the oftentimes awarded DT 990
Excellent sound reproduction
Robust spring steel headband
Single-sided cable
Soft replaceable ear cushions
Gold plated stereo mini jack and 1/4" adapter
Technical Specifications
Transducer type Dynamic
Operating principle Open
Weight without cable 250 g
Frequency response 5 - 35,000 Hz.
Nominal impedance acc. to IEC 60268-7 250 Ω /System
Nominal SPL acc. to IEC 60268-7 > 96 dB
Nominal THD acc. to IEC 60268-7
Power handling capacity acc. to IEC 60268-7 100 mW
Sound coupling to the ear Circumaural
Average pressure on ear acc. to IEC 60268-7 3.5 N |
- Professional hi-fi stereo studio headphones
- Semi-open, circumaural design
- Self-adjusting headband for optimum fit
- Patented Varimotion speakers
- Leatherette ear pads and velvet ear pads
- Single-sided, detachable 3 m cable and additional 5 m coiled cable
The K 240 MK II is a newly updated version of AKGʼs most successful headphones with Varimotion™ technology and XXL transducers. The K 240 MK IIʼs semi-open ear cups have around-the-ear coupling to deliver solid bass, accurate mids and crystal-clear highs.
Thanks to its lower impedance and improved sensitivity, it can be used with low-output audio sources to deliver its incredible sound.
The detachable OFC cable has gold-plated plugs for optimum audio quality and exceptional ease of service.
| Type |
semi-open, dynamic headphones |
| Sensitivity |
91 dB/mW, 104 dB/V |
| Frequency range |
15 to 25,000 Hz |
| Rated impedance |
55 ohms |
| Max. input power |
200 mW |
| Earpads |
leatherette and velvet |
| Cable |
3 m single-sided and 5 m coiled cable (99,9% oxygen-free); plug-in cable on headphones (mini-XLR connector) |
| Connector |
gold plated stereo mini jack |
| Adapter |
gold plated 1/8" to 1/4" screw-on adapter |
| Net weight (without cable) |
240 g (8.5 oz.) |
| Shipping weight |
550 g (19.4 oz.) |
| Patent(s) |
Varimotion – multiple-thickness diaphragm for dynamic transducer (Patent no. AT 403.751, US 6,185,809, EP 814.637 (DE, DK, FI, FR, GB, IT, NL), JP 3.927.651); Acoustics slot resistor for dynamic transducer (Patent no. AT 408.706, US 6,639,991, ZL 01116806) |
| 80 Ohm specs
- Type Over-ear (Closed)
- Channels Stereo
- Noise isolation 18 dB reduction
- Connections 3.5mm stereo, 6.25mm stereo
- Weight 9.52 oz
General
- Type Over-ear (Closed)
- Cable type Y-cable
- Channels Stereo
Other features
- Plug type Straight
- Gold-plated connector Yes
Audio quality
Noise reduction
- Noise isolation 18 dB reduction
Connections
- Connections 3.5mm stereo, 6.25mm stereo
| K 701
* Revolutionary flat-wire voice coil technology
* Patented AKG Varimotion ultra-precision two-layer diaphragm
* Self-adjusting cushioned genuine-leather headband
* Bi-wiring, high-performance cable with 1/4" jack plug
* Comfortable, specially shaped "3D-Form" ear pads
* Complete with stylish storage cradle
* Individually tested and numbered
Whether you prefer the holistic approach or like to listen analytically, the K 701
will turn perception into pure enjoyment.
AKG is the first manufacturer in the world to use revolutionary flat-wire technology
in headphones, namely, the K 701. The result is a truly dramatic sound that places
every musician at their correct location with pinpoint accuracy. This kind of agility,
spaciousness, brilliant highs, and velvety, punchy bass is simply miraculous.These
superlative open-back dynamic headphones provide an outstandingly accurate sound
and excellent imaging. Try the K 701 and find out what ingenious headphone engineering
can do for you.
SPECIFICATIONS:
Type Open-back, dynamic headphones
Efficiency 105 dB/V
Frequency range 10 Hz to 39.8 kHz
Rated impedance 62 ohms
Max. input power 200 mW
Cable bi-wiring, single-sided, 99.99% oxygen-free cable, 3 m (10 ft.)
Connector 1/4" hard gold plated | Specs:
- Semi - Open
- Innovative bass refelx system
- Rugged headband cosntruction
- Single-sided coiled cable
- Soft headband pad
- Gold plated stereo mini jack (3.5mm) and 1/4" adapter
- Transducer type: Dynamic
- Frequency response: 5 - 35,000 Hz
- Nominal impedance: 250 ohm
- Nominal SPL : 96 dB
- T.H.D: < 0.2%
- Power handling capacity: 100 mW
- Sound coupling to ear: Circumaural
- Weight (without cable) 295 g
| The SRH1840 Professional Open Back Headphones feature individually matched drivers for unparalleled acoustic performance, including smooth, extended highs and accurate bass. Developed with premium materials and precision engineering, the custom-crafted design is extremely lightweight and durable. Ideal for mastering or critical listening applications.
The included storage case, replacement set of velour ear pads, replacement cable, and threaded adapter ensure years of uninterrupted listening enjoyment.
Individually matched 40 mm neodymium drivers for unparalleled acoustic performance with smooth, extended highs and accurate bass
Open-back, circumaural design for exceptionally natural sound, wide stereo image, and increased depth of field
Lightweight construction featuring aircraft-grade aluminum alloy yoke and stainless steel grilles for enhanced durability
Steel driver frame with vented center pole piece improves linearity and eliminates internal resonance for consistent performance at all listening levels
Ergonomic dual-frame, padded headband is lightweight and fully adjustable for hours of listening comfort
Optimized for connection to external headphone amplification systems
Oxygen-free copper cable with Kevlar® reinforced jacket for superior performance and durability
Dual-exit cables with gold-plated MMCX connectors provide secure connection and detachability for easy storage or replacement
Replaceable velour ear pads with high-density, slow-recovery foam for exceptional comfort
Individually tested and serialized
Legendary Shure durability to withstand the rigors of everyday use
Type
Open-back, circumaural
Sensitivity
96 dB SPL/mW
Maximum Input Power
1000 mW
Frequency Range
10 Hz – 30 kHz
Weight
0.59 lbs (268 g)
Cable Style
Dual-exit, detachable oxygen-free copper
Cable Length
6.9 ft (2.1 m)
Plug
Gold-plated 1/8" (3.5 mm) stereo mini-jack |
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