5 dB @ 1W / 1m Membranmaterial HT: silk cap

In this configuration

with Flex Port technology

The new ADEP

The only difference is that the M4+ only has four amplified speakers

HiFonics VRX800A 6000 Watt RMS 5 dB @ 1W /With the new VULCAN VRX models expands HiFonics is now expanding its range to include powerful bass under seat subwoofers in the 20 and 25 cm class with an all aluminium enclosure. These subwoofers not only impress with their attractive prices, they also boast the usual HiFonics fans worldwide with their high quality workmanship and full equipment. Many inexpensive subwoofers often use economy circuits in the amplifier area or even cheap ICs. Not so