Soundman OKM II Klassik Studio (inc A3) Binaural Mics
 Soundman OKM II Klassik Studio (inc A3) Binaural MicsSoundman OKM II Klassik Studio (inc A3) Binaural Mics 

Soundman OKM II Klassik Studio (inc A3) Binaural Mics

    • Excellent frequency response
    • For recordings with higher sound pressure up to 125dB.
    • Plug into the line-in of your recorder
    • Comes with A3 Adapter
  • More Details...

Model:  SM-OKM-II-KS-A3
Part Number:  OKM II Klassik Studio(inc A3) binaural mics
Manufacturer:  Soundman e.K.

(£165.00 Exc. VAT)
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Related Products

Soundman OKM II Klassik Studio (inc A3) Binaural Mics

The OKM original head-microphone is a ball look Elektret-microphone which comes with an enclosed A3 adapter. This combination can be used o make excellent quality surround recordings.

The OKM original head-microphone is a new and uniquely designed microphone, developed especially for mini recording systems and digital cameras. Its special design allows it to be used for the most diverse applications.


  • Excellent frequency responses
  • Perfect channel match guaranteeing the best possible stereo image location and outstanding performance
  • Measurement report included
  • High quality grided cable - made in Germany
  • For all studio versions the adapter A3 is shielded against electromagnetic interferences

The A3 Adapter Connection

The OKM condenser microphones need DC powering. This can be sourced either through a microphone jack present on recording devices or through the enclosed A3 Adapter. The A3 will yield the best results when used on LINE inputs. With its automatic level adaptation, high microphone supply voltage and considerably low noise floor, the A3 offers a significantly greater increase in dynamic range when compared to the conventional direct connection to a microphone jack. When recording faint sounds, the OKM can be used on microphone inputs in conjunction with the A3. However, as a result of the smaller surface area of the microphone membrane, system inherent noise is a possibility. As such, care should be taken to avoid preamp clipping that may occur when the recording level control is set too low.


The Adapter A3 is plugged in between the microphones and recording equipment. Please bear in mind that you should remove the microphone plug from the A3 Adapter after use. This is to avoid discharging the battery, since plugging the microphone activates the adapter which uses electricity.

Low Frequency Roll Off

The switch position ” /” is to be chosen when recording speech. This attenuates frequencies below 300Hz. The switch position “-” (linear) is chosen to record music.

Linear Attenuation

The switch position “-20dB” is used when recording high sound pressure levels. For moderate SPLs, especially with the A3 on the LINE input, the switch position “0″ is recommended.

Battery Check

To check the remaining battery capacity, press the test knob, which lights up the green LED. The brightness of the LED offers an indication of the remaining battery life time. If the LED extinguishes, please replace the battery.


When the microphone is placed at some distance from the recording equipment, the microphone cable can be extended, provided that the cable capacity does not exceed 1000 pF. Extending the adapter output cable is not recommended.


OKM-Microphone Specifications

Frequency range 20HZ to 20kHz
Channel Balance typ. <1,0 dB
Channel balance studio-versions typ. <0,5dB
S/N ratio re 1 Pa approx. 61 dB
Max. SPL (without A3 Adapter 105dB
Max SPL (with A3 Adapter 20dB att) 125dB
Operating voltage max. 10V

A3 Adapter Specifications

Input Impedance 1 kOhm
Output Impedance 0kOhm
Frequency response 20Hz - 50kHz (+0 / -3dB)
Frequency response with filter 300Hz - 50kHz (+0 / -3dB)
Max. output voltage 1.0V
Battery 6 V (4LR44 or equivalent

Delivery Services

At Pinknoise Systems we like to offer our customers a wide choice of delivery options for their orders, and our prices are affordable and competitive. We also use only the best, most reliable couriers and delivery services to get your equipment where it needs to be - quickly and securely. Please find an outline of our services, prices and timescales below.

Service Timescale Price
UK Mainland Royal Mail Small Parcel 2-4 Days £3.99
UK Offshore Royal Mail 2-4 Days £9.99
UK Standard Courier 2-4 Days £6.49
UK Express Courier Next Day £7.99
International Shipping From 1-8 Days (Full Details) From £15.00

Delivery Times

Delivery times are based on when the packages leaves our premises. Sometimes, due to stock restrictions or a non completed order, delivery may take longer as there is a delay with dispatch. We will always notify customers of any issues and problems via email or telephone. If your order is urgent or details change please do let us know.

For full details, fees, and time schedules, please see our Delivery Information page.

Returns & Refunds

New items: You can return goods you have ordered from us for any reason, at any time within 7 working days of receipt, for a full refund or for an exchange for a different product from our range. The cost of returning goods to us shall be borne by you, the customer, in all circumstances without exception.

Items must be packed suitably and insured for full loss in the event of a delivery problem. Pinknoise Systems will not be responsible for lost or damaged return goods. Lost or damaged goods may effect the level of refund you receive.

Used items: Please note this does not apply to used item unless they are deemed faulty.

For full details of our returns policy, please click here.

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