alaTest has collected and analyzed 81 user reviews of Mach Speed M450-4092 from Amazon.com. The average user rating for this product is 3.3/5, compared to an average user rating of 3.8/5 for other products in the same category on Amazon.com. Comments about the sound and durability are overall positive. The performance and price are also mentioned favorably. There are some less positive reviews about the reliability. There are some mixed comments about the memory.

Don't Buy!!! I have had my player since last November & is has been nothing but trouble. The touch screen does not respond well & has not since I bought it. When I try to use the calibration tool I end up having to use it every time I turn in on and...

bought this for my wife she loves it. Battery life is amazing. Easy to use once you go through the menu a few times.Easy to put music on

Good product for the price.

The product is great and has many amazing features but apparently they are still under development. The hdmi is doesnt work. The speaker almost sounds like its being held under a pillow. The headphone connection does not work properly so therefore it...

Marginal product: 1) First one arrived DOA. 2) Documentation clear as mud. 3)Touch screen is super-sensitive, very hard to work with! 3) SD card support is very limited. Don't count on it. 4)FM radio reception is extremely limited. 5) Volume control...

I had the unit just for amonth, but overall I can say that I am really happy that I have purchased it. The image quality (for video) is really good considering the price, even streamed to a TV unit via HDMI the quality is really good.The headphones are...