TeachLogic IRM-4650 Maxim II Receiver with Sapphire Transmitter, Handheld Microphone and Plug-In / Drop-In Battery Charger

TeachLogic IRM-4650 Maxim II Receiver with Sapphire Transmitter, Handheld Microphone and Plug-In / Drop-In Battery Charger

TeachLogic IRM-4650 Maxim II Receiver with Sapphire Transmitter, Handheld Microphone and Plug-In / Drop-In Battery Charger

B&H # TEIRM4650 MFR # IRM-4650
TeachLogic IRM-4650 Maxim II Receiver with Sapphire Transmitter, Handheld Microphone and Plug-In / Drop-In Battery Charger

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  • 1Description

The TeachLogic IRM-4650 Maxim II Receiver with Sapphire Transmitter, Handheld Microphone and Plug-In / Drop-In Battery Charger is a complete sound-field system for installation in a classroom or similar environment.

The system package includes the following components: the Maxim II IMA-420 base station with two 16-watt amplifiers and two infrared receivers with switching power supply; the Sapphire Pendant Infrared Transmitter / Microphone comes equipped with a rechargeable Lithium-ion battery and unidirectional microphone for true voice reproduction and good feedback suppression; the Handheld Infrared Microphone / Transmitter comes equipped with NiMH batteries; the BRC-15 Sapphire Charger connects the Sapphire Transmitter for charging via USB or wall adapter; the BRC-101 drop-in Charger is designed for use with the Handheld IRH-35 Transmitter. This system also includes the ICS-55 Ceiling Dome Sensor with 50' (15.24m) of plenum-rated cable and a 100' (30.48m) of plenum-rated 18 gauge speaker cable.

Maxim II Receiver
  • Two infrared wireless microphone receivers
  • Two power amplifiers 16W each
  • Three stereo auxiliary inputs for Computer, DVD, Video Projector
  • Addition aux input gain, adjustable +15 dB boost
  • Front-panel auxiliary input for iPod (3.5mm)
  • Page over-ride (muting) with page pass through to classroom speakers
  • Five-band equalizer with security cover
  • Front panel audio output for personal FM system with gain control (3.5mm)
  • CE, CSA, and UL listed
Sapphire Transmitter
  • Elegant design
  • Only 1.4 oz. including battery
  • Long life Lithium ion battery
  • Rechargeable via micro USB cable
  • Battery level indicator
  • Back light under power switch
  • Momentary mute button, Backlight blinks in mute mode
  • Push on/off power
  • Channel A or B selectable
  • Three level mic volume switch (low, medium, high)
  • Auxilary input (3.5mm)
  • Low profile clip for mounting
  • Wear with a lanyard or directly to neckline collar
Handheld Microphone
  • Condenser microphone element
  • Power on/off switch
  • Battery level indicator LED
  • Channel A or B selectable
  • 10 high-power emitting diodes
  • Diodes at top and bottom of handle for increased coverage (2 Top aimed out, 6 Bottom 360°, 2 Bottom aimed down)
  • 360º IR radiation for assured connectivity
  • Two AA, Duracell, rechargeable NiMH batteries
Drop-In Battery Charger
  • Convenient drop-in insertion
  • Optimum charging rate for NiMH battery
  • Auto charge/maintenance
  • Charging mode indicator—Red LED
  • Full charge indicator—Green LED
  • Recycle function: periodic battery rejuvenation to maintain and extend battery service life
  • Non-rechargeable battery prevention
Receiver
Receiver Input Ports Infrared FM
Modulation FM wide-band
Frequencies Reception: Channel A: 2.08 MHz
Channel B: 2.54 MHz
Infrared Wavelength: 850 nm
Tone Signal Channel A: 32.768 kHz
De-Emphasis 50 μs
Frequency Response 40 Hz, -18 kHz, ± 3dB
S/N Ratio >65 dB
THD <1% @1 kHz
Nominal Deviation ± 10 kHz
Maximum Deviation ± 25 kHz
Sensor Input External: 2, RCA
Connectivity 2,500 sq. ft. (232.26 sq. m)
AUX Input Three aux, line level, Dual RCA with + 15 dB gain control
Line Output 3.5 mm with gain control, front panel
Input Page Over-Ride: Off, 25 V, 70 V, 100 V
Equalization Five-Band ±12 dB
Output Power Two Amplifiers, 16 W ea. (RMS) 32 W total (RMS)
Output Impedance 4 Ω
Output Connection 2 Phoenix Connectors
Power Supply 15 VDC / 2.8 A / 42 W
Dimensions (W x H x D) 8.50 x 1.75 x 7.50" (215.90 x 44.45 x 190.50 mm)
Weight 2.65 lb (1.20 kg)
Transmitter
Transmission Carrier: Infrared
Frequencies: 2.08 MHz & 2.54 MHz
Channel Field switchable A or B
Transmitting Diodes 6
Modulation FM wide-band
Frequency Pilotone: 32.768 kHz
Peak Deviation ± 25 kHz
Operating Range 1500 sq. ft. (139.35 sq. m) 60' (18.28m) line of sight
Battery Blue: full
Purple: medium
Red: low
Flashing Red: very low battery
Battery Life Used: Lithium-ion (3.7V / 620mAh)
Life: Approximately 7 hours / charge
Charger External Power: +5 VDC, Micro USB connector
Transmission Angle 180° conical
External Power Switch (Push): On / off
Mute Switch (Push): On / off
Mic Switch (3 position): + 6db, Normal, - 6db
Auxiliary Volume / Gain: Increase, decrease
Channel Select: (A or B) in battery compartment
External Aux Input: 3.5mm stereo line level
Dimensions (W x D x H) 3.62 x 1.25 x 0.75" (91.94 x 31.75 x 19.05 mm)
Weight 1.4 oz (85.0 g) with battery
Microphone
Transmission Carrier: Infrared
Frequencies: 2.08 MHz & 2.54 MHz
Channel Field switchable
Transmitting Diodes 10
Modulation FM wide-band
Frequency Pilotone: 32.768 kHz
Peak Deviation ± 25 kHz
Operating Range 2500 sq. ft. (232.26 sq. m) 60' (18.28 m)
Power Switch On/Off (slide)
Battery Charge Display Green (useable charge) / Red (needs charging) (LED)
Battery Life Approximately 7 hours / charge
Dimensions 2.12" (53.84 mm) diameter head
1.43" (36.32 mm) diameter body
9.62" (244.34 mm) height
Weight 10.3 oz (292.0 g) with battery
Battery
Charging Port (Single): Handheld
Battery Charge Display Red LED: Batteries being charged / Solid Green LED: Batteries fully charged
Power Supply 12 VDC / 0.5 A
Dimensions (W x D x H) 5.00 x 3.75 x 1.50" (127.00 x 95.25 x 38.10 mm)
Weight 7.4 oz (209.7 g)

TeachLogic IRM-4650 Maxim II Receiver with Sapphire Transmitter, Handheld Microphone and Plug-In / Drop-In Battery Charger Review

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