NA3

HiFi Wireless Access Point

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NA3 HiFi Wireless Access Points

NA3 & NA3S

The NA3 HiFi Wireless Access Point is a HiFi network device based on the CelHeart-A1 architecture. It features a fully linear-powered ARM platform where all CPU, network, and IO components natively utilize the CelCLK II PLL system for unified clock synchronization. The wireless module supports 2.4GHz 802.11n 2×2 MIMO technology with a maximum data rate of 300Mbps, sufficiently meeting the requirements for music browsing and control. Additionally, through specialized optimizations to the WiFi functionality, it further enhances the quality of both local and network-based music playback.

The NA3, leveraging the CelHeart-A1 architecture, provides a fully LDO power supply platform composed of 11 LDOs. This platform natively uses a unified PLL to supply clocks for the network, CPU, and IO interfaces, offering an infrastructure specifically designed for HiFi applications. Based on this architecture, the NA3 implements wireless access point functionality, helping users further enhance sound quality.

Design Concept

CelHeart-A1 Architecture

The CelHeart-A1 platform uses a full linear power supply design, with all clocks for the CPU, network, and I/O provided by the CelCLK II PLL system. Paired with ARM performance that matches requirements, it is born for various HiFi applications and extreme listening experiences

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Clock Design

NA3 achieve high-precision, global clock synchronization by using the CelCLK II PLL system

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Main power supply system specially designed for digital playback

Pure digital devices have significant differences in the power supply design. Therefore,CelAudio has designed a brand-new digital power supply architecture

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AP Module

The AP module provides 10/100/1000M network interfaces, two antenna interfaces, and the CelCLK II PLL system, supporting BNC 10MHz clock input.

NA3 Switch Module

Switch Module

The NA3S expands the NA3 with a switch module, which provides two SFP interfaces locked at 1000Mbps and two RJ45 interfaces, using synchronous clock signals from the AP module's CelCLK II PLL system.

This module features a special SFP_CTL interface that can power on or off via software, physically disconnecting or connecting devices connected to the SFP_CTL interface, significantly affecting local playback sound quality. For details, please download the usage scenario instructions, watch relevant Bilibili explanation videos, and online setup video tutorials.

WiFi IEEE 802.11n 2*2 MINIO，300Mbps，2.4GHz
Clock Input 10MHz，BNC * 1，0.6V RMS（Wave/Square Wave）
Network RJ45 * 1，10/100/1000M auto-adaptiv（NA3）
RJ45 * 3，10/100/1000M auto-adaptiv，SFP*2 1000M SGMI/1000BaseX（NA3S）
USB USB2.0*1，Management Interface，USB Audio Support
Power Input 110/220V AC，fuse 5*20mm，1A，slow-blow
Size（W*D*H） 360mm * 213mm * 88mm
Weight 4.5Kg

* The AP module and switch module of NA3S require an external network cable connection

Model Model Description
NA3 802.11n 2T2R with a maximum speed of 300Mbps, providing a 10/100/1000M auto-adaptiv Ethernet port.
NA3S 802.11n 2T2R with a maximum speed of 300Mbps, providing three 10/100/1000M auto-adaptiv Ethernet ports, two SFP 1000Mbps ports, and supporting the SFP_CTL.
  1. NA3 Hardware Quick User Guide
  2. NA3 Network Topology
  1. The Clock Architecture & Development Description of CelAudio Premium Product