AKG WMS40 Pro Presenter Set Single Wireless CK55 Lavalier System

The sound of your voice. The WMS 40 PRO presenter set will get your speech across perfectly. The inconspicuous CK 55 L lavalier microphone is easy to attach.

Easy to hide in the user's clothes, the WMS 40 PRO presenter sets provide optimum intelligibility for actors, presenters, or moderators.

Ease of use lets you focus on what you have to say.

The transmitter operates for 30 hours off a single AA size battery.

Includes power supply, AA battery, labeling sheet, and mic clip.

SR 40 SINGLE Features
Single fixed frequency

All-metal case

Multichannel capability for simultaneous use of up to seven channels (maximum number of channel depends on local frequency plans).

High Definition Audio Performance technology ensures the legendary, realistic AKG sound and perfect audio transmission.

PT 40 PRO Features
Miniature transmitter

Single-battery powering

Multichannel capability for simultaneous use of up to seven channels (maximum number of channel depends on local frequency plans).

High Definition Audio Performance technology ensures the legendary, realistic AKG sound and perfect audio transmission.

Transmitter operates for at least 30 hours off a single AA size battery, saving cost, maximizing dependability, and minimizing onstage stress.

CK 55 L Features
Low-profile, cost efficient clip-on microphone for applications including houses of worship, lecturers, etc. Connects to AKG bodypack transmitters.

The CK 55 L provides a natural sound, with a slight rise above 10 kHz for added clarity. Its cardioid polar pattern and bass rolloff combine to suppress unwanted ambient noise.

Inconspicuous clip-on microphone

Natural, airy sound

High ambient noise rejection

Technical Info

Channel Frequencies
Channel 54: 710.400 MHz
Channel 54B: 711.000 MHz
Channel 58: 734.600 MHz
Channel 58B: 736.975 MHz
Channel 60A: 748.875 MHz
Channel KR4: 750.900 MHz
Channel 60B: 751.550 MHz

SR 40 SINGLE
Carrier frequency range: 710 to 865 MHz, 1 fixed frequency

Modulation: FM

Audio bandwidth: 40 Hz to 20 kHz

THD: typ. 0,8 % (at 1 kHz)

Signal/noise ratio: typ. 110 dB(A)

Power supply: 120/230 V AC

Audio outputs: balanced 1/4 in. jack, output level adjustable, at rated deviation: 500 mV rms.

Dimensions: 200 x 190 x 44 mm (7.8 x 7.4 x 1.7 in.)

Net weight: 581 g (1.3 lbs.)

PT 40 PRO
Carrier frequency range: 710 to 865 MHz, 1 fixed frequency

Modulation: FM

Audio bandwidth: 40 Hz to 20 kHz

THD: typ. 0.8 % (at 1 kHz)

Signal/noise ratio: typ. 110 dB(A)

Power supply: 1 AA size battery

RF output: typ. 10 mW (ERP)

Battery life: typ. 30 h (for 2200 mAh)

Dimensions: 60 x 74 x 30 mm (2.4 x 2.9 x 1.2 in.)

Net weight: 60 g (2.1 oz.)

CK 55 L
Polar pattern: cardioid

Frequency range: 15 to 18,000 Hz

Sensitivity: 8.8 mV/Pa (-41 dBV)

Max. SPL: 118 dB (k=1 %)

Equivalent noise level: 34 dB-A

Signal/noise: 60 dB

Impedance: 200 ohms

Recommended load impedance: >2000 ohms

Supply voltage: 1.5 to 10 VDC or 9 to 52 V phantom power to DIN/IEC using MPA III L

Current consumption: <2 mA

Connector: 3-pin mini XLR

Cable: 1.6 m (5 ft. 4 in.)

Finish: matte black

Dimensions: 8 x 23 mm (0.3 x 0.9 in.)

Net weight: 2.5 g (0.08 oz.)

Shipping weight: 115 g (4 oz.)

With an SR 40 Single, a PT 40 Pro belt pack transmitter, and a CK 55 L cardioid lavalier mic.