Philips Portable Micro Hi-Fi Music Sound System, CD Player, w Mega Bass speaker

It differs from a conventional loudspeaker box system in the addition of a bass pipe that is acoustically aligned to the woofer to optimize the low frequency roll-off of the system. The system works by resonating the air mass in the bass pipe to vibrate like a conventional woofer.

Philips Portable CD Player Bluetooth with Cassette Boombox for Home with Mega Bass Reflex Speakers, Radio/USB / MP3/ AUX Input with Backlight LCD Display

DVD Micro Theater MCD908/37

docking entertainment system DCM230/37

DVD Mini Hi-Fi System FWD182/98

CD player - Wikipedia

ENHANCED STEREO SOUND: Our radio CD Player Boombox combo has dual stereo speakers housed in an optimized design and driven by the built-in bass reflex

Philips Portable CD Player Bluetooth with Cassette All in one Powerful Stereo Boombox for Home with mega Bass Reflex Speakers, Radio/USB / MP3/ AUX

Stereo Gear in the 1970's Was it The Audiophile Golden Age?

All your music - This stylish micro system lets you stream playlists and more via Bluetooth, play CDs and listen to FM radio. The digital radio tuner with 10 presets delivers clear reception, and the CD player can read MP3 CDs and recorded CDs. Bass-reflex loudspeakers. Richer low tones - These bookshelf-style loudspeakers give you clear sound and good bass thanks to the combination of woofer, tweeter, and bass-reflex ports. A 60 W maximum output brings big sound to any room.

Philips Bluetooth Stereo System for Home with CD Player, MP3, USB, Audio in, FM

Philips Portable CD Player Bluetooth with Cassette All in one Powerful Stereo Boombox for Home with mega Bass Reflex Speakers, Radio/USB / MP3/ AUX Input with Backlight LCD Display : Electronics