amplifier audio back boom hi-fi hifi loud music player radio rock sound Speaker speakers stereo system trunk volume angle balcony balustrade barrier bird birds cultural dowdy fearless feathered feathers female height high large-bird loud-call omnivores peafowl Peahen perched perching perspective phasianidae plumage preen preening protection significant strut strutting symbol symbolic upstairs white antenna chimney communication loudspeaker roof businessman megaphone screaming speech talking tuba voice bass color dance background soprano woofer electronic screw tweeter waves