Sabo Romo

During the "Rock en tu idioma sinfónico" concert, Sabo Romo prominently uses the Fender Mexican Deluxe Active Precision Bass Special, as evidenced in the video provided by RockEnTuIdiomaSVEVO on YouTube.

In a concert, Sabo Romo is visibly using the Fender Starcaster Bass, as evidenced by the image provided (by dondeir.com)

In the image credited to El Universal, Sabo Romo is seen using a Fender Aerodyne Jazz Bass during a live performance.

Sabo Romo uses the Ashdown Engineering ABM 900 Head amplifiers during a live performance with Caifanes, as seen in the YouTube video titled "Caifanes Afuera Premios Telehit 2012" uploaded by Vlankaz HD.

Sabo Romo uses the Alembic Series I Bass, as evidenced by an image of him playing the instrument and a video where he is seen using this bass (youtu.be/o8xaX4oQyxI).

During the performance at the Premios Telehit 2012, Sabo Romo utilized four Ashdown Engineering Cabinets, as shown in the YouTube video by Vlankaz HD.

Sabo Romo is known to use a Fender 1958 Precision Bass, as evidenced in a live performance video of Caifanes from 1988. This performance, which was remastered and posted by Rubén T. on YouTube with the title "Caifanes - Perdí Mi Ojo de Venado [En Vivo 1988][Remasterizado] HD," shows him playing the instrument. The video is a broadcast from the program "Mala Noche No '88," produced by TELEVISA S.A. DE C.V., under the rights of Sony Music Entertainment México, S.A. De C.V.

In the video titled "Los bajos y el equipo que utilicé con Caifanes | Charla con Sabo Romo" by Javier Paniagua CLIPS on YouTube, Sabo Romo discusses his acquisition of the Rickenbacker 4003/1971 bass guitar.