Hi-fi

Japanese cameras, cars, and hi-fi equipment are used widely abroad, and few modern industries can manage without advanced electronic equipment developed in Japan.

Source: tatoeba (281321)

For rock it's hard to know on what basis you should call something 'hi-fi'.

Source: tatoeba (329100)

The genre name originates from the low fidelity ("lo-fi") aesthetic of the music, which tends to be deliberately less "polished" than high fidelity ("hi-fi") music and features audio imperfections, distorted sound quality, and less professional audio equipment.

Source: tatoeba (13166368)

If buses could fly: Hi-fi idea to fix traffic woes back on table

Source: wiktionary