0ur opinion: :This Sony CPA-9C connects your portable MD or CD player to your car stereo, through the car's in-dash cassette player. lt's ideal for use with Sony MiniDisc and Discman CD players. CPA-9C's silent mechanism reduces mechanical noise on the road. And the self-adjusting spring-loaded head maintains optimum contact with your cassette deck's tape head.
:The Sony CPA-9C cassette adaptor allows you to connect your minidisc or CD player to a vehicle cassette player. While this Sony product works best with Sony CD and MD players, the adaptor will operate with non-Sony products as well. There are a couple of key features to this adaptor which make it a fine choice. The first notable feature is the spring-loaded head. The head will automatically adjust itself to your vehicle's cassette deck, ensuring that the two heads have optimum contact and transfer the best possible sound. The second key feature is the silent mechanism. A silent mechanism yields less operational noise and a better quality MD or CD sound. This adaptor works with all cassette players which require you to insert the tape opening facing the side. The mini-plug inserts into a portable CD or MD headphone jack. The cassette adaptor is a cheap way to make your vehicle CD and MD operational.
What's in the Box Sony CPA-9C Cassette Adaptor
Piece Availability: Usually ships in 2 to 3 days
Testimonials
Average Buyer Rating:

Buyer's feedback: 
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* The Best Yet ...
I have had about 6 tape adapters for my car. Most of them wear out because one side of the double wire cord detaches from the other. This one only has one cord, so it's not even possible for that problem to occur. Try this one, you will not be disappointed.
On a side note, I personally prefer these over the FM transmitter ones (which are much more expensive) because the FM transmitters rely on the strength of your signal. My car gets horrible FM reception, so they are a waste of my money. If you have a tape player, I highly recommend this product. The cord gives perfectly crisp sound, even if it is a slight annoyance.
Buyer's feedback: 
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Vast improvement over an FM transmitter
I originally bought a Road Trip FM transmitter for using my iPod in the car. It was a disaster, at least for where I live and travel (Boston-NY corridor), because there are few "free" frequencies that do not receive interference from adjacent stations. In addition, as I traveled, stations would fade in and out, requiring me to change the frequency frequently: A real safety hazard when driving. Finally, I do not believe that the Road Trip broadcast in stereo; sound quality was mediocre at best.
This cassette adapter changes the paradigm. Sound quality is excellent (to my surprise), it's a cinch to use, and it costs a fraction of what an FM transmitter costs. Only downside is that it doesn't charge the iPod, but I retained my Road Trip unit to accomplish this.
Highly recommended.
Buyer's feedback: 
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* Brings out harmony's in songs ...
I bought this because my old one for my car broke. I browsed around before i got this, but every place seemed so expensive. This was the cheapest one, & Sony is a reputable brand.
Anyways, this adapter REALLY brings out the harmony's, base & background noises in songs. It sounds amazing~ For the price & the quality of sound, I am incredibly happy with it (The general quality was better in my old one, but for the harmony's this one brings out, I believe I would choose this one over my old one. I love my harmony's~).
Possible Problems:
I would think that some people would hate (statement above) though, since the main vocalist is at the the same volume level as harmony's, therefore making it a bit difficult to hear the singer. If you don't have your car settings right, or if you have a "bad copy" of a song on your mp3 player, you will hear some white noise in the background as well (but its so small, you hardly notice it at all. Nothing a few tweaks of the car radio settings wont fix). Dust can also affect the sound quality of the music (It will sound REALLY uneven when this happens). I found the culprit is dust on the tape heads. A trick I learned as a child NES player when dust ruins game play is also applied to fixing this cassettes problem; Blow gently on the tapes head to remove dust quickly & sufficiently.
Buyer's feedback: 
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Better than Monster
I used to have a Monster adapter, this one is much better. Very quiet and functional.
Buyer's feedback: 
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* Very functional ...
Very effective. With the dolby sound on the radio, minimum noise. Cord is long enough to reach the back seat in the car.