Contents

• Why Your Door Audio System Fails
• Our Proven Solution
• Trusted by Industry Leaders
• Frequently Asked Questions
• Ready to Upgrade?

Door Speaker Crossover – High‑Performance, OEM‑Ready Solutions for Commercial Buildings

Eliminate distortion, cut costs, and meet US safety standards with a single, fully certified component.

Why Your Door Audio System Fails

Most commercial‑building door speakers suffer from three recurring issues that erode ROI and damage brand reputation:

• Over‑priced crossovers: 30‑40% higher unit cost than true OEM alternatives.
• Poor sound fidelity: Inadequate frequency separation creates buzz and listener fatigue.
• Regulatory non‑compliance: Missing CE, FCC, or UL certifications leads to costly re‑engineering.

According to a 2025 B2B survey, 62% of purchasing managers delayed projects because the supplied crossover network failed to meet both budget and quality benchmarks.

Discover the solution that eliminates these risks →

Our Proven Solution

Core Advantages

• Factory‑direct pricing: Up to 35% lower than third‑party distributors.
• ISO‑9001 & FCC certified: Full compliance with US and EU regulations.
• OEM/ODM design flexibility: Custom winding, enclosure, and connector options within 7‑day engineering lead time.
• High‑speed delivery: 5‑day express shipping from our 5,000 ㎡ Huizhou facility.
• 24/7 technical support: Dedicated account engineers fluent in English.

Technical Specifications

Application Scenarios & Case Studies

Corporate Headquarters – 12‑story office building (USA)

• Installed 480 door speaker crossovers in 3 months – 27% faster than the previous supplier.
• Achieved +15 dB SPL improvement without changing speaker hardware.
• Reduced total component cost by 32% thanks to factory‑direct pricing.

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Retail Chain – 250 stores (North America)

• Custom 2‑stage crossover with magnetic shielding for EMI‑critical environments.
• Zero returns during the first 12 months of operation.

Request a sample and see the difference →

Trusted by Industry Leaders

What Our Clients Say

• John M., Facilities Manager – GlobalTech
  “The Xinchangda crossover cut our audio‑system budget by 30% and passed UL testing on the first try. Delivery was 4 days faster than promised.”
• Lisa K., Procurement Lead – MetroMall
  “Custom winding options let us match the exact acoustic profile of our lobby speakers. The technical support team answered every query within 2 hours.”
• Mark T., Audio Engineer – SecureGate Inc.
  “No more buzzing after installation – the magnetic shielding meets our EMI standards without extra components.”

Certificates: CE, FCC, UL, RoHS, VDE, ISO 9001, CB, GS

Frequently Asked Questions

Ready to Upgrade Your Door Audio?

Limited‑time offer: **Free engineering sample** + **30 % off** your first 1,000‑unit order. Stock is limited – act within 7 days.

Or call us directly at +86 131 2825 6415 (English support 9 am–6 pm CST)

Customer Reviews

• Emily R., Operations Manager – Apex Hotels – “The crossover’s low distortion saved us from re‑engineering the whole lobby system. Delivery on schedule, price 28 % below budget.”
• Tom S., Technical Director – SecureEntry – “Excellent OEM service. We received a fully tested sample within 48 hours and moved straight to production.”
• Anna L., Procurement Lead – GreenMall – “The compliance certificates (UL, FCC, RoHS) were ready for our audit, saving us weeks of paperwork.”