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The Bits4Tours Model M108 bulk earphone outperforms similarly priced competitors in real-world open-top tour testing. Designed for 80% spoken narration and 20% music, the M108 delivers clearer speech, better comfort, and more durable cabling—making it our best performer for its price. Developed through 20+ prototypes and field-tested in London, it’s also available with our eco-friendly Prime-P lead. Read the test results in our Blog.

When purchasing bulk earphones for tours, cost and delivery time are important — but so is the origin of manufacture. Many buyers focus on certifications like ISO 9001, but few ask where exactly their products are being made within China. It’s a blind spot that can carry serious risks.

Discover the risks behind misleading ISO certifications in China’s electronics sector. Learn how to choose reliable suppliers for bulk earphones with proven compliance and ethical sourcing.

Branding bulk earphones and headphones is a low cost high-impact way to reinforce your brand. We offer complete customization; not just the logo, but every physical component.