The VF-15 speaker is composed of one 15-inch low-frequency transducer and one 2-inch horn high-frequency driver.

The VF-12 speaker consists of one 12-inch low-frequency transducer and one 1.75-inch horn high-frequency driver, with sweet, rich, and clear sound, highlighting the human voice and with a wide frequency range.

Sweet and rich sound, prominent vocals, and wide sound range are the characteristics of the VF-10 speaker, which is composed of one 10-inch low-frequency unit and one 1.3-inch horn high-frequency unit.

The VF-8 speaker is known for its sweet, rich, and articulate sound with wide frequency response and outstanding vocal presence.