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FTXU316_LA_7MIC_V1 7MIC Seamless Local Amplification PCBA Set Datasheet

1. Product Introduction

1.1 Product Description

In public speaking, business meetings, and teaching environments, high-quality sound transmission is crucial. FTXU316_LA_7MIC_V1 is designed to meet these needs, aiming to provide speakers with an unrestrained amplification experience, while ensuring that the audience can enjoy clear, low-latency auditory enjoyment.

  • FTXU316_LA_7MIC_V1Main Board FTXU316_LA_7MIC_V1 Microphone Array Board

1.2 Product Features

  • 7 Mic Array Technology: 6+1 MIC array, using Beamforming technology to precisely control the pickup direction, sidelobe suppression up to 40dB, significantly reducing external noise interference.
  • Ultimate Sound Quality Processing: Processes human voice at a sampling rate of 32KHz/24bit, ensuring high-fidelity output within 8kHz frequency response.
  • Low Latency Experience: The system delay from microphone input to Line-out output is only 15ms, providing an imperceptible amplification experience for speakers and audience.
  • Noise Reduction and Amplification: Built-in NS noise reduction and AFC algorithm, providing over 10dB of amplification loudness.

1.3 Product Block Diagram

Product Block Diagram

1.4 Microphone Array Parameters

Parameter Min Value Max Value Unit
Pickup Radius 0 3 m
Frequency Response 100 10K Hz
Sampling Rate - 32 KHz
Microphone Sensitivity - -29 dB
Dynamic Range - 99 dB
BF Beam Shaping 20 180 °
Feedback Suppression 0 24 dB
Noise Suppression 0 25 dB
Sidelobe Suppression 0 40 dB

1.5 Audio System Parameters

Parameter Min Value Typical Value Max Value Unit
System Delay - 15 - ms
Amplification Loudness - 10 - dB
Automatic Amplification Gain Adjustment -20 - +20 dB
Rated Output Impedance - 16 - Ω

1.6 Absolute Electrical Parameters

Parameter Min Value Max Value Unit
Storage Temperature -40 125
Supply Voltage -0.5 3.63 V
Electrostatic Discharge Voltage (Human Body Model) @ TAMB -25℃ -2 2 KV
Electrostatic Discharge Voltage (Charging Device Model) @ TAMB -25℃ -500 500 V

1.7 Normal Working Conditions

Function Min Value Max Value Unit
Working Temperature 0 70
Working Voltage 3 3.6 V

1.8 Working Current

Working State Average Value Peak Value Unit
@5V 130 180 mA