
BOYA BY-AP 4 BLUETOOTH 5.0 HEADPHONES

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System
Oscillator type PLL synthesized control oscillator
Carrier Frequency Range 576.4 to 599.9 MHz (Transmitter: A)
568.6 to 592.1 MHz (Transmitter: B)
Channels 48
Frequency response 40 Hz to 18 kHz (± 3 dB)
Operating range 300 '/ 100 m (without obstacle)
Operating temperature 14 to 122 ° F / -10 to 50 ° C
Storage temperature 14 to 131 ° F / -10 to 55 ° C
Transmitter
RF output power ≤ 10 mW
Antenna 1/4 wire antenna
Spurious emission 250 nW or less
Audio input connectors Microphone input
1/8 "/ 3.5 mm 1/8" / 3.5 mm line level input
Reference input level -60 dBV (microphone input, 0 dB attenuation)
Reference deviation ± 5 kHz (-60 dBV, 1 kHz input)
Input frequency range 20 Hz to 20 kHz
Distortion 0.5% or less
Power supply 2 AA size batteries
Operation time Approx 6 hours
Dimensions (H x W x L) 8.2 x 2.6 x 1.1 "/ 20.8 x 6.7 x 2.9 cm
Weight 2.8 oz / 80.0 g (without batteries)
Receiver
Antenna 1/4 wire antenna
Audio output connectors Audio line output
1/8 "/ 3.5 mm Headphone output 1/8" / 3.5 mm
Signal to noise ratio 70 dB or more
Distortion 0.5% or less
Headphone output level 30 mW (16 ohms)
Audio output level -60 dBV
Power supply 2 AA size batteries
Operation time Approximately 4 hours
Dimensions (H x W x L) 8.2 x 2.6 x 1.1 "/ 20.8 x 6.7 x 2.9 cm
Weight 3.2 oz / 90.0 g (without batteries)
Lavalier Microphone Specifications
Rear electret condenser transducer
Omnidirectional polar pattern
Frequency range 35 Hz to 18 kHz
Signal / noise 74 dB SPL
Sensitivity -30 dB ± 3 dB / 0 dB = 1 V / Pa, 1 kHz
1/8 "/ 3.5 mm locking mini plug connector
Cable length 4.0 ft / 1.2 m
Dimensions Not specified by manufacturer
Weight
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