1) Bassless 2) Bright but cheap 3) Cheap 4) Cheap-seeming 5) Cheap-sounding 6) Cheesy 7) Chintzy 8) Clanging 9) Crummy 10) Flimsy 11) Hard 12) Hardly mellow 13) Harsh 14) Having a high metallic sound 15) Having a thin, metallic sound 16) Inferior 17) Lacking in resonance 18) Lacking resonance 19) Like a cheap piano 1) Bum 2) Cheesy 3) Chintzy 4) Crummy 5) Metal 6) Metallic 7) Punk 8) Thin 
• (a.) Pertaining to, abounding with, or resembling, tin.
Used to describe a sound with too many highs and mids and not enough lows.
Tin'ny adjective Pertaining to, abounding with, or resembling, tin. 'The tinny strand.' Drayton. 
Can of beer. Also a small aluminium fishing dinghy (Northern Territory).
Tinny is Australian slang for a can of beer.
[adj] - thin and metallic in sound
Can of beer, small aluminium boat
adjective thin and metallic in sound; lacking resonance; `an unpleasant tinny voice`
can of beerluckysmall aluminium boat