As the name suggests, these are bonds that pay no coupon or interest. Instead of getting an interest payment, you buy the bond at a discount from the face value of the bond, and you are paid the face amount when the bond matures. For example, you might pay $3,500 to purchase a 20-year zero-coupon bond with a face value of $10,000.
High fidelity (often shortened to hi-fi or hifi) reproduction is a term used by home stereo listeners, audiophiles and home audio enthusiasts to refer to high-quality reproduction of sound to distinguish it from the lower quality sound produced by inexpensive audio equipment, or the inferior quality of sound reproduction that can be heard in ...
A surround sound numbering system quantifies various speaker setups and configurations: 2.0 - A stereo setup with two speakers, a left and a right channel, situated in front of the viewer. 3.0 - Stereo setup plus a dedicated, powered subwoofer, also called a LFE (low-frequency effects) bass channel.