AKG PW45SPORTSETBDU2 - Sport Band U2 UHF Wireless System with Beltpack, Headset Microphone and Receiver

AKG PW45 Sport Set Band U2 - UHF Wireless System with PT45 Bodypack, C544 L Headset Microphone and SR45 Receiver

The AKG PW45 Sport Set Band U2 (Perception Wireless 45) is an analog UHF system designed for sports, fitness, dynamic presentations, and voice reinforcement with complete freedom of movement. The set includes the SR45 receiver with balanced XLR and 6.3 mm jack outputs with switchable mic-to-line level, the PT45 body-pack transmitter , and the C544 L headworn microphone , a cardioid condenser microphone optimized for active use with a moisture shield (protection against sweat/makeup) and anti-vibration suspension.

It operates in Band U2 (UHF range around 614–634 MHz , with market variations; many listings specify 614.1–629.3 MHz ), offering up to 8 selectable frequencies within a selection width of 30 MHz . The audio chain (FM modulation) covers 40 Hz–20 kHz with typical SNR figures of 105 dB(A) and THD 0.8 % . The PT45 operates on one AA battery and offers up to 8 hours of autonomy, powering electret microphones (≈ 4 V) or instrument inputs via 3-pin mini XLR. The system is supplied with a switched-mode power supply (SMPS) for worldwide use.

Main features

• Complete set : SR45 receiver + PT45 belt pack + C544 L headset microphone + switching power supply + 1 AA battery.
• Band U2 (≈ 614–634 MHz ; with numerous chips on 614.1–629.3 MHz ). Up to 8 channels on 30 MHz selection.
• Wide Audio : 40–20,000 Hz, SNR 105 dB(A) typical, THD 0.8% typical; RF ≈ 10 mW .
• Ultra-compact PT45 : 8 h with 1 x AA; supports electret microphones (~4 V) or instruments via mini XLR-3.
• SR45 with XLR and 6.3 mm jack outputs , mic/line level, volume control and adjustable squelch ; RF/CLIP indicators.
• C544 L cardioid fitness microphone: moisture shield , anti-drop rings, elastic suspension and clear sound (20 Hz–20 kHz; 200 Ω).
• Auto setup and simple operation for quick start-ups in gyms, events, and education.

Product benefits

• Mobility and durability : C544 L headband with sweat protection and stable fit during demanding sessions.
• Professional integration : XLR/jack outputs with switchable level, ready for mixers, interfaces or active speakers.
• Low operating cost : up to 8 hours with a single AA in the belt pack.
• Channel Flexibility : 8 selectable frequencies to avoid interference within the assigned band.

Use cases

• Fitness and gyms : guided classes, sports coaching , high-mobility activities.
• Corporate events and education : presentations, training, group development.
• Small stages and hotels : voice reinforcement with quick and reliable setup.

Frequently Asked Questions

• What's included in the set? SR45 receiver, PT45 transmitter, C544 L headset microphone, switching power supply with adapters, and 1 AA battery .
• Is the U2 band license-free? It depends on the country. In many markets, U2 overlaps with professional TV bands. Check local regulations and frequency plans before operating.
• Can I use multiple systems at the same time? Yes, as long as they don't repeat channels and there's proper frequency coordination on the same band.

Description for projects

Analog UHF system for voice/sport. Band U2 (≈ 614–634 MHz ; frequency 614.1–629.3 MHz ). 8 selectable frequencies, 30 MHz selection. FM modulation ; audio 40–20,000 Hz ; SNR 105 dB(A) typical; THD 0.8 % typical; RF ≈ 10 mW . SR45 receiver with XLR and 6.3 mm jack outputs , mic/line level, adjustable squelch , RF/CLIP indicators, 200 × 190 × 44 mm , 360 g . PT45 beltpack : 1×AA, up to 8 h , mini XLR-3, approx. 60 × 74 × 30 mm. C544 L Microphone: Cardioid condenser, 20 Hz–20 kHz , 200 Ω , moisture protection.