Car Electronics & Devices

APPS2Car Patented-Car USB AUX Audio Mp3 Adapter CD Changer Adaptor for 2004-2008

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Special Features
MP4/MP5 Players
Material Type
Plastic box
Model Name
Digital Media Format
Built In Speaker
Item Weight
Display Size
Brand Name
Car Make
Max. Current
Voltage Input
12V DC
Total Harmonic Distortion
Frequency Response

09 Oct 2017
Everything came packaged neatly connected in a cd changer connector inserted flash drive ?????? immediately put aux in the phone sound quality is excellent I recommend this product also without problems thanks to the seller)))

- L*******v A.


APPS2Car Car Stereo MP3 WMA USB Music Adapter Auxiliary Audio Input Interface for Mazda 3, Mazda 5, Mazda 6, Mazda 323, Miata, MX5, SPD, Protégé, CX7, RX8, Tribute, Premacy, MPV, B-Serie Pickup, BT-50



  • Add a USB & AUX audio input into your factory car stereo! So you can enjoy music from USB drive or SD / Micro SD / SDHC / MMC card with card reader. Support multi folders playback, and control music (track + / track -) from steering wheel and radio panel. Also support last position memory playback.
  • Extra gold plated 3.5mm AUX Input Jack enhance high digital sound quality, compatible with all device that has a 3.5mm audio output, such as Zune, iPhone, iPad, iPod, Android Mobile Phones, MP3 player, XM Satellite Radio, Video Game Systems, DVD player, etc
  • Built-in high performance amplifier chip, static free CD quality clear audio sound.
  • Plug & play. No Signal Interfere. Installed via OEM CD changer port, integrated with the car.
  • IMPORTANT NOTE: Not compatible with navigation radios or factory DVD radios.

Product Description

APPS2Car USB AUX Adapter (WT-USB) is a great solution for the car to stream music from USB drive, SD card, SDHC, MMC, Micro SD card and all all device that has a 3.5mm audio output. Installed via OEM CD changer port, deliver CD sound quality music to car stereo system and integrated with the car. 

- Application of storage device: USB 2.0 / 3.0 with FAT16 or FAT32 format, Max 32GB 
- USB Support Music Format: WMA, Mp3 (8Kbps-320Kbps) 
- Support Folder & tack quantity: 99 folders, 99 files per folder (Some OEM radio can only support 6-9 folders) 
- Voltage Input: 12V DC 
- Signal-to Noise: 95DB 
- Max.Current: 200MA 
- D/A Device: 24BIT 192KHZ 
- Total Harmonic Distortion: 0.01% 
- Frequency Response: 20HZ-20KHZ 
- Working Temperature: -10℃ - 80℃ 
- Adapter Box Dimension: 3.15""×1.57""×0.75"" 
- Total Length: about 70.8inch 

1. Not compatible with active Satellite radios, Navigation system, or DVD radio. 
2. Not all Mazda 6 supports external CDC connection, internal modification might be needed; Mazda 6, produced from Nov. 2003 to Sep. 2005, needs to solder a jumper or a 0-ohm chip register on location L716 in its head unit. 
3. RX-8 radio firmware version must be v9.55 or later, v10.1 and v9.81 not supported. (Note to check if the radio firmware is available). 


Compatible only with factory CD radio (OEM radio). Please kindly check the following compatiblity table before purchasing.

(Hints: pull out your CD radio to see the sticker attached on the back of radio, where states the mark & model of the radio.)

USB AUX Adapter × 1 
Card Reader for SD Card / Micro SD × 1 
User Manual × 1




1. The package will be shipped within 48 hours after the payement cleared (on workday)
2. Worldwide shipping via Air Mail. Delivery time is normally 7-28 business days, might be more due to unexpected & uncontrollable factors that may occur during transportation.

3. Order < 5$,  ship by ordinary air mail (no tracking #)

Order > 5$,  ship by registered air mail (with tracking #)

*The shipping speed of Ordinary air mail is the same with Registered air mail. It just doesn't have tracking information aboard, but it has tracking information within China.

**If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. 

4. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.

5.  Interface ONLY, mobile phone is not included.



Country / Approx. Delivery time

U.S. / 7-14 working days

U.K./Australia/Canada /   10-28 working days

Eastern E. & Europe (except Italy) / May take up to 4-6 weeks due to Import Custom Inspection

South America / Italy / May take up to 6-8 weeks due to Import Custom Inspection

Other Countries / 6-8 weeks or more




- Please kindly check the compatibility list and make sure your CD radio's mark and model is included in the list. Incompatibility due to the your radio model not listed in the table, no refund will be issued unless returning the product, in original package. And the cost of return will be assumed by the buyer.

- For the efficient support, please kindly help taking some photos or a video to send us, we will follow it up with our engineer for you.

- You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession for more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.

- All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return.

- We will refund upon receipt of the item in its original condition and packaging with all components and accessories included.



- If you are unsatisfied with our item or service, please contact us before leaving any feedback. We are committed to resolve all issues in a friendly and satisfactory manner.

- We always reply to messages within 2 business days (off-duty at weekend). If you do not get a response from us, then please kindly check your junk or spam mailbox.




Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller ServiceOn-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).