WinnowMarket

Audio Noise Filter Ground Loop Isolator for RCA Eliminate Hum Buzz Static Car Home Stereo System Car Audio Upgrade Filter

$18.96
Alland Store
4.1(7)

Eliminates humming and buzzing in car audio systems by isolating ground loops between source and amplifier.

Or buy it now on Alland Store

You’ll complete checkout securely on Alland Store’s own site. We never see your payment details.

Delivery from Alland Store

ALL&STORE | Last updated: June 9, 2026

Processing Time

All orders are processed within 1–3 business days after payment is confirmed. Orders are not processed on weekends or holidays.

Shipping Time

We currently ship to the United States only.

Shipping Method

Estimated Delivery

Standard Shipping

7–20 business days

Please note that delivery times are estimates and may vary due to carrier delays, customs processing, or other factors outside our control.

Order Tracking

Once your order has shipped, you will receive a confirmation email with a tracking number. You can track your order at any time using your tracking number at 17track.net or through the link in your email. Tracking information may take 3–5 business days to update after shipment.

Shipping Delays

We are not responsible for delays caused by customs, weather, or carrier issues. If your order has not arrived within 30 days of the estimated delivery date, please contact us at support@allandstore.com.

Lost or Stolen Packages

ALL&STORE is not responsible for lost or stolen packages once the carrier has confirmed delivery. Please ensure your shipping address is correct at checkout.

Contact Us

📧 Email: support@allandstore.com

📞 Phone: +1 (940) 373-2025

🕘 Monday–Friday, 9:00 AM – 5:00 PM (CT)

Contact - Alland Store - Checkout

Read it on Alland Store
Returns from Alland Store

```html

Returns & Refunds Policy

ALL & STORE | Last updated: February 2, 2026

We want you to be happy with your purchase. If something isn't right, we're here to help.

1. Return Window

We offer a 30-day return policy, which means you have 30 days from the date you receive your item to request a return.

2. Eligibility for Returns

To be eligible for a return, your item must:

Be in the same condition as received

Be unworn or unused

Have original tags (if applicable)

Be in the original packaging (when possible)

Include proof of purchase (order number or receipt)

Items that do not meet these conditions may not be eligible for return.

3. How to Start a Return (Important)

To request a return, please contact us before sending anything back:

📧 Email: support@allandstore.com

Please include:

Your order number

The item(s) you wish to return

The reason for the return (optional but helpful)

⚠️ Do not send returns to our business address. Because we work with multiple suppliers, the correct return address depends on the item you purchased.

If your return is approved, we will email you:

The correct return address (supplier or partner location)

Return instructions

A return shipping label (when applicable)

Items sent back without prior return approval may not be accepted.

4. Damaged, Defective, or Incorrect Items

Please inspect your order upon delivery. If your item is damaged, defective, or incorrect, contact us within 7 days of delivery.

Include:

Your order number

Clear photos or videos showing the issue

We'll evaluate the situation and make it right as quickly as possible.

5. Non-Returnable Items

The following items cannot be returned:

Perishable goods (food, flowers, plants)

Custom or personalized products

Personal care or beauty products if opened or used

Hazardous materials, flammable liquids, or gases

Gift cards

Sale items or final sale items

If you're unsure whether your item is eligible, please contact us before requesting a return.

6. Exchanges

We do not offer direct exchanges. The fastest way to get the item you want is to:

Return the original item (if eligible)

Place a new order once your return is accepted

7. Refunds

Once we receive and inspect your return (when applicable), we'll notify you of the approval status.

Approved refunds are issued to your original payment method

Refunds are processed within 10 business days

Your bank or credit card provider may take additional time to post the refund

If more than 15 business days have passed since your refund was approved, please contact us at support@allandstore.com .

8. European Union – 14-Day Cooling-Off Period

If your order is shipped to the European Union, you have the right to cancel or return your order within 14 days, for any reason and without justification. Returned items must be:

Unworn or unused

With tags (if applicable)

In original packaging

Accompanied by proof of purchase

9. Contact Us

ALL & STORE

📍 5605 Blackmon Ct, Fort Worth, TX 76137, United States

📧 Email: support@allandstore.com

📞 Phone: +1 (940) 373-2045

🕘 Support Hours: Monday–Friday, 9:00 AM – 5:00 PM CT

```

Paste this into the Shopify policy editor via the `< >` HTML source button. Brand colors applied — navy headings, orange section titles, clean formatting throughout.

Contact - Alland Store - Checkout

Read it on Alland Store
View full listing on Alland Store

Highlights

  • Eliminates ground loop humming and buzzing for clearer sound
  • Filters out DC current in RCA connectors to prevent signal interference
  • Passive in-line design requires no additional power or components
  • Supports up to 20A current for compatibility with most car audio systems
  • Compact size fits easily between RCA connectors

Specs

Input
30W pk, 60W rated
Current Rating
20A
Dimensions
35 x 65 mm
Model
1
Voltage
12 V
Origin
Mainland China