nRFready Microphone

Dual microphone reference design


The nRFready Microphone is a complete hardware and software reference design for the 2.4 GHz RF wireless microphone set. It is an ideal starting point for developing wireless microphones for gaming, home karaoke and conference room microphone applications. Jointly developed by AKM Semiconductor and Nordic Semiconductor, the nRFready Microphone is based on the Nordic Semiconductor nRF2460 2.4 GHz RF mono audio streamer and AKM Semiconductor audio converters. The kit includes two microphone boards, a receiver board with both analog and USB audio interfaces, plus a complete set of design files, source code and documentation.


  • Complete reference design for a dual 2.4 GHz RF microphone system
  • Uncompressed 16-bit digital audio with less than 20 ms latency
  • Excellent battery lifetime, up to 100 hours with two AAA batteries
  • Low cost Bill Of Material (BOM)
  • Downloadable full source code, hardware designs files, and documentation


  • Two microphone boards with nRF2460, 16-bit mono ADC with microphone pre-amp, and ALC (Automatic Loudness Control)
  • Receiver board
  • Batteries
  • Getting Started Guide

Supported products/complementary

Product Brief description
nRF2460 2.4 GHz RF Mono Audio Streamer IC
nRF2460 Development Kit nRFgo Development Kit for nRF2460

Ordering codes

Code Description
nRF6915 nRFready Microphone


PC software
To aid your product development, Nordic also offers a range of tools enabling you to interact with and monitor your product


Code Name Version
nRF6915-FW nRFready Microphone Firmware Files 1.0

Reference Layout

Code Name Version
nRF2788-HW nRF2788 Microphone Hardware Files 1.1
nRF2789-HW nRF2789 Receiver Hardware Files 1.0

User Guides

Code Name Version
nRF6915-GS nRFready Microphone Getting Started Guide 1.0
nRF6915-UG nRFready Microphone User Guide 1.0