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AirLine 99m Fitness

Headset Wireless System with Tabletop Receiver

The AirLine 99m AH9 system is a unique wireless microphone solution offering high-definition sound for fitness instructors and active performers, featuring the AH9 micro transmitter mounted directly to the Qe fitness headset microphone for complete freedom from cables and beltpacks.

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Great for: Fitness, Theater / Production

Unleash Your Workout Potential

While Samson revolutionized wireless with the original AirLine transmitter, the AH9 is the exciting next chapter in the story. With its micro design, the AH9 transmitter attaches directly to the headset microphone, eliminating beltpacks and cables from the setup.


Micro Wireless Design, Macro Wireless Performance.

Vocal care is extremely important when teaching group fitness classes. Making sure your students can hear you without yelling not only makes the class more enjoyable, but also reduces the stress on your voice. The AirLine 99m wireless system allows you to be heard loud and clear without restricting your movement.

  • AH9 Micro Transmitter

    The AH9 transmitter mounts directly to the included Qe headset, eliminating belt packs and cables, ideal for active performers. In addition to a 300' operating range, the AH9 features easy-access gain and mute controls, a low-battery LED indicator, and an 8-hour rechargeable lithium-ion battery.

    AH9 Qe Headset HO
  • Qe Mic Capsule

    Qe Fitness Headset Microphone

    The QEx is a lightweight headset that fits comfortably around your ears and head with an adjustable strap for a secure fit when needed. An adjustable stainless steel metal gooseneck with a waterproof condenser microphone prevents corrosion from prolonged exposure to moisture, which is common in fitness environments.

  • AR99m Tabletop Receiver

    The micro-sized AR99m True RF Diversity receiver offers frequency-agile UHF operation with 100 available channels to ensure reliable wireless performance. The receiver offers easy setup with a one-touch scan that analyzes and selects the clearest operating channel, an infrared set to pair the transmitter with the receiver, and XLR, 1/4," and 1/8" output connectors.

  • AR99M Angled RXD2

    Even More Wireless

    A USB port on the AR99m receiver can be used to charge the AH9 transmitter or integrate a Samson XPD Series wireless system (sold separately) to make it a dual receiver.

Instruct with Confidence

Experience freedom and clarity with the Samson AirLine 99m Fitness Headset wireless system - perfect for active aerobics instructors looking for a high-definition, portable, and durable solution.

Features / Specs

AirLine 99m Fitness Headset Wireless System

  • Frequency-agile UHF wireless system
  • 100 operating channels across 24MHz bandwidth
  • Up to 8 simultaneous systems per frequency band (region dependent)

AH9 Wireless Micro Transmitter

  • Micro transmitter mounted directly to a double ear headset (no beltpack or cable required)
  • Water/sweat-resistant Qe headset microphone with condenser capsule
  • Up to eight hours of battery life using built-in rechargeable lithium-ion battery
  • Sealed gold contact charging connector
  • Low battery LED indicator
  • 300' operating range (line-of-sight)
  • Variable Gain control
  • One-touch Mute
  • Windscreen included

AR99m Wireless Micro Receiver

  • True RF Diversity micro receiver design minimizes dropouts
  • Set button scans/selects optimal channel options
  • IR sync wirelessly matches transmitter to receiver frequency
  • Tone key prevents unwanted noise when transmitter is off or out of range
  • Channel and Ready/IR/Peak LED displays
  • Balanced XLR, unbalanced 1/4" and unbalanced 1/8" outputs
  • USB port for adding a Samson XPD Series wireless system or charging AH9 transmitter
  • Rotary volume knob with integral power switch
  • 1/4-wave antennas


Working Range 300' (100m) line of sight
Audio Frequency Response 50 Hz - 15 kHz
T.H.D. (Overall) <1% (@AF 1 kHz, RF 46 dBu)
Dynamic Range >100 dB A-weighted
Signal to Noise >95 dB
Tone Key Frequency 35 kHz
AH9 Transmitter
Input Gain Range 20dB
RF Power 10mW EIRP
Power Requirements 3.6V 500mAh
Lithium Ion rechargeable battery
Battery Life 8 hours
Dimensions 5.9" x 6.7" x 3.9" / 150mm x 170mm x 100mm
Weight 0.13lb / 60g
AR99m Receiver
Audio Output Level 1/8" (3.5mm) & 1/4" (6.3mm) jack (unbalanced) +14dBu
Audio Output Level XLR jack (balanced) +9dBu
Audio Output Impedance 1/8" (3.5mm) & 1/4" ( jack (unbalanced) 810 Ohms,
Audio Output Impedance XLR output jack (balanced) 240 Ohms
Sensitivity 100dBm/30dB SINAD
Image Rejection >50dB
Operating Voltage 15VCC 600mA
Dimensions (LxWxH) 4.3" x 3.74" x 1.5" / 110mm x 95mm x 39mm
Weight 0.42lb / 192g

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Type UHF UHF UHF UHF 2.4GHz Digital 2.4GHz Digital
Frequencies 1 100 80 100 n/a n/a
Compatible Systems per band 6 8 8 8 2 2
Mic Capsule Qe Fitness Headset AE50x capsule (integrated into transmitter) Qe Fitness Headset Qe Fitness Headset Qe Fitness Headset Qe Fitness Headset
Transmitter Battery 1xAAA / 8 Hours Lithium Ion Rechargeable / 8 Hours Lithium Ion Rechargeable / 8 Hours Lithium Ion Rechargeable / 8 Hours Lithium Ion Rechargeable / 6 Hours Lithium Ion Rechargeable / 6 Hours
Receiver Type Half-rack Half-rack Half-rack Tabletop USB Stick Tabletop
Rack-mountable Yes - Rack kit included Yes - Rack kit included Yes - Rack kit included No No No
Receiver Output Connections XLR, 1/4" XLR, 1/4" USB, 1/8" XLR, 1/4", 1/8" USB, 1/8" XLR, 1/4", 1/8"
Antenna Distribution Capable No No Yes No No No

Warning CALIFORNIA PROPOSITION 65 WARNING: Cancer and Reproductive Harm -

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