AKG PW45PRESBDB2 - Presenter Band B2 UHF Wireless System with Beltpack, Lavalier Microphone, and Receiver

AKG PW45PRESBDB2 - UHF Presenter Band B2 (774.1–777.9 MHz) Wireless System with PT45 Beltpack, CK99 L Lavalier and SR45 Receiver

The AKG PW45PRESBDB2 is a UHF wireless presentation and vocal system combining the SR45 receiver, PT45 bodypack, and CK99 L cardioid condenser lavalier microphone. The Band B2 version operates on 774.1–777.9 MHz with up to 8 selectable frequencies to suit the band’s channel plan. The SR45 offers diversity , balanced XLR and 1/4” jack outputs with switchable mic-to-line level and adjustable squelch for stable reception. The PT45 transmitter operates on one AA battery for up to 8 hours and supports AKG MicroMics via 3-pin mini XLR . The system’s audio link covers 40 Hz–20 kHz with a typical SNR of 105 dB(A) and THD ≈ 0.8% , while the CK99 L provides unobtrusive, natural cardioid pickup optimized for vocals.

Main features

• Working band: B2 774.1–777.9 MHz (8 switchable frequencies within the band; use depends on local regulations).
• SR45 receiver: diversity, XLR and 6.35 mm jack outputs with adjustable mic/line level, adjustable squelch ; dimensions 200 × 190 × 44 mm , weight 360 g .
• PT45 transmitter: mini XLR (TA3F) input, gain control, up to 8 h with 1×AA; weight 60 g , size 60 × 74 × 30 mm .
• CK99 L lavalier microphone: cardioid condenser, 15 Hz–18 kHz , sensitivity 8.8 mV/Pa (−41 dBV) , max. SPL 118 dB .
• System Audio: 40 Hz–20 kHz , Typical SNR 105 dB(A) , THD ~ 0.8 % ; FM modulation .
• Connectivity and format: half-rack (9.5″) receiver with universal switching power supply (EU/UK/US).

Product benefits

• Clear and natural voice: The cardioid CK99 L offers high intelligibility and reduced pickup of ambient noise.
• Instant professional integration: XLR/Jack outputs with switchable level for direct connection to mixers, interfaces or active speakers.
• Simple and reliable operation: up to 8 channels in the band and diversity in the receiver; adjustable squelch helps prevent RF noise.
• Low operating costs: the PT45 runs for up to 8 hours on a single AA battery.

Use cases

• Presentations, conferences and corporate: discreet lapel microphone with consistent sound.
• Theatre and education: hands-free and good gain-before-feedback in the theatre and classroom.
• Houses of worship and events: quick setup, stable signal, and standard connectivity.

Set contents

• SR45 (diversity receiver, XLR/Jack outputs, universal PSU).
• PT45 (belt flask, 1×AA included).
• CK99 L (cardioid lavalier) with clip and W444 windscreen .

Frequently Asked Questions

• How many frequencies are available? Up to 8 within the B2 band (774.1–777.9 MHz); select them manually on the receiver and transmitter.
• Can I use it in my country? The 774–778 MHz band is subject to regional regulation and licensing. Check your country's regulations before operating.
• Can I connect other mics to the beltpack? Yes, any AKG MicroMics with a 3-pin mini XLR (headsets, other lavaliers, etc.).

Description for projects

AKG PW45PRESBDB2 UHF System (Presenter, Band B2 774.1–777.9 MHz , 8 frequencies ). SR45 receiver : diversity, balanced XLR and 6.35 mm jack outputs (mic/line level), adjustable squelch ; audio 40 Hz–20 kHz , SNR 105 dB(A), THD ~0.8 %. PT45 transmitter : mini XLR (TA3F) input , up to 8 h battery life with 1×AA; size 60 × 74 × 30 mm , 60 g . CK99 L microphone : cardioid, 15–18,000 Hz , −41 dBV/Pa (8.8 mV/Pa) , 118 dB SPL max. ; receiver 200 × 190 × 44 mm , 360 g .