Knowles Damper filters Knowles Acoustic Dampers

Knowles Damper Filters Knowles Acoustic Dampers

Green damper fit for low frequency unit,

White damper fit for high frequency unit,

Red damper fit for multi-frequency low frequency unit.

Brown damper: SE420, SE846

Green damper:SE210 SE310 E3C E4C Etymotic ER4 series.

White damper:SE530 SE535 E5C SCL5 Westone UM3x ER6i

Product display

FAQ

1. Q: Do you accept OEM/ODM orders?

    A: Yes, customized products are available on requests

2. Q: Can I get your sample before placing order or mass production? Is sample free?

    A: Yes, Plain sample & stock sample are usually free of charge but freight collect. Printed sample is charged, depending on your design. Sample cost will be refunded to your official order.

3. Q: How about the delivery time?

    A: Flexible lead time. Generally, it takes 5 to 15 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

4. Q: Do you provide drop shipping service?

    A: Yes, we keep certain quantity safety inventory for most products we provide. Drop shipping is available regarding to customer's request

5. Q: Can you provide after sales service?

    A: Sure. Usually the warranty time is one year. Any queries, please kindly let us Know, we are glad to keep in touch with you.