Stadium Sound Systems with Professional Audio & IP Network

 Solution Overview

● System Role: In a large stadium, the sound reinforcement system serves as essential infrastructure for announcements, event operations, and creating an engaging atmosphere.

● Main Difficulties: Stadiums are characterized by vast acoustic volumes, long reverberation times, and coverage zones that are spread out over a wide area. As a result, achieving high speech intelligibility, consistent sound pressure levels, and dependable system operation poses considerable challenges.

● Design Goals: A high-quality stadium sound reinforcement solution should provide intelligible, time-aligned, and dependable audio coverage throughout spectator seating and the field of play, even under complex acoustic conditions, while also accommodating a wide range of uses, including sports competitions, public gatherings, and live performances.

 Project Requirements

● Speech Intelligibility: Guarantees that commentary, instructions, and emergency notifications are communicated distinctly across every part of the venue.

● Uniform Sound Pressure Level: Delivers consistent acoustic coverage over spectator seating and playing areas, eliminating dead spots and minimizing unwanted reflections.

● Full-Area Public Address: Enables background music, paging, and information dissemination throughout all venue zones, covering spectator stands, the field of play, VIP sections, athlete facilities, corridors, parking areas, and outdoor plazas.

● Emergency Safety Assurance: The system links with the fire alarm system and, when necessary, automatically transitions to emergency broadcast mode, making sure evacuation messages reach every area clearly and without delay.

● Intelligent Centralized Management: Built on an IP-based network platform, the system allows unified control of sound reinforcement, public address, conferencing, and other subsystems, thereby simplifying maintenance and enhancing operational efficiency.

 System Overall Architecture

● Core Function: Delivers professional-grade sound reinforcement for both the playing field and spectator seating, ensuring a high-fidelity listening experience.

● Design Goal: Satisfies the demanding criteria of large-scale events — from sports competitions to live performances — with respect to sound pressure level, speech intelligibility, and even sound coverage.

● Flexible Configuration: Provides three solution tiers (A/B/C) featuring high-end, mid-range, and entry-level setups, allowing precise alignment with varying venue sizes and budget constraints.

● Full-Area Coverage: Extends to public spaces, offices, locker rooms, and parking facilities across the entire venue, guaranteeing intelligible, uninterrupted broadcasting without any blind spots.

● Intelligent Control: Enables zone-based management, scheduled playback, and remote paging, while granting top priority to fire alarm and emergency evacuation system integration.

● Stable & Reliable: Rests on a dedicated digital network architecture, ensuring dependable transmission of both routine announcements and emergency evacuation messages.

Core Architecture: Physical Isolation for Enhanced Safety and Efficiency

At the physical layer, the two systems operate in complete isolation from each other. This keeps the professional sound reinforcement system's audio quality immune to interference, while preserving the priority and security of emergency responses within the IP-based public address system. Such a parallel architecture offers dual safeguards for both event experiences and venue operations, striking a balance between professional performance and practical management requirements.

 Three Major Sound Reinforcement Solutions

 Line Array System Diagram & Equipment List

No.	Model	Product Name	Quantity
Sound System
1	LA1420	Passive Line Array Full Range Speaker	96
2	LA1420S	Passive Line Array Subwoofer	12
3	D6079B	Professional Remote Horn Speaker (8Ω; 400W)	28
4	MX4000II	Professional Stereo Amplifier (8Ω; 2x1000W)	24
5	MX4000II	Professional Stereo Amplifier (8Ω; 2x1000W)	6
6	MX3500II	Professional Stereo Amplifier (8Ω; 2x800W)	14
7	D5821	UHF Wireless Microphone System + 2 Handheld Wireless Microphones	4
8	D5828	8-Channel Antenna Amplifier	2
9	D6558	Desktop Condenser Microphone	4
10	D6572II	8 Channel Power Supply Sequency Controller	12
11	CM16	Digital Mixer	1
12	D6643HD	Digital Audio Processor	8
13	D6644HD	Digital Audio Processor	2
14	D6576	Feedback Suppressor	2
15	DSP8063P	Active Monitor Speaker	2

 Solution Configuration Instructions

 Professional Speaker System Diagram & Equipment List

No.	Model	Product Name	Quantity
Sound System
1	D5821	True Diversity Wireless Microphone(2 hand held)	2
2	D5828	8-Channel Antenna Amplifier	1
3	CM30	Professional Condenser Microphone	2
4	MAG2107C	1U CD player with USB/FM/Bluetooth	2
5	DMX08	Professional Mixing Console	2
6	D6644HD	Digital Audio Processor	8
7	MX3000II	Professional Stereo Amplifier (8Ω；2×650W）	28
8	MX2000II	Professional Stereo Power Amplifier（8Ω；2×300W，2×450W/4Ω）	10
9	D6563F	8" Two-way Full Range Speaker (Waterproof)	40
10	D6566F	15" Two-way Full Range Speaker (Waterproof)	40
11	D6079B	400W Remote Horn Speaker	16
12	D5A	Adjustable Speaker Bracket (Ceiling & Wall Mount) with D6566F	40
13	D3A	Adjustable Speaker Bracket (Ceiling & Wall Mount) with D6563F	40
14	D6572II	8 Channel Power Supply Sequency Controller	16
15	D1.2B	RCA-6.35mmConnector	2
16	D1.2E	XLR (Female)-XLR (Male)Connector	80

 Solution Configuration Instructions

 Sound Field Simulation Results

 Horn Speaker System Diagram & Equipment List

No.	Model	Product Name	Quantity
Sound System
1	D5821	UHF Wireless Microphone System (with 2Handheld MICS)	2
2	D5831	Professional Condenser Microphone	2
3	D5828	8-Channel Antenna Amplifier	1
4	MP9815E	PA System Emergency Panel	1
5	D6692	12×12Professional Audio Processor	1
6	DSP158	40W Outdoor Waterproof Column Speaker	68
7	DSP358	120W Outdoor Waterproof Column Speaker	12
8	DSP3012A	300W All-Weather Horn Speaker	10
9	DA3450	550W Class-D Digital Power Amplifier	3
10	DA3850	1500W Class-D Digital Power Amplifier	5
11	DA3950	2000W Class-D Digital Power Amplifier	2
12	D6721S	Power Sequence Controller	2
13	MP40U	40U 19" Floor Stand Audio Rack with Electric Fan	1

 Solution Configuration Instructions