Lambesis has pleaded not guilty to solicitation for murder.
Prosecutors say the singer was on tour in August when he emailed his wife, Meggan Lambesis, telling her he didn't love her and wanted to end the relationship. Meggan Lambesis, according to prosecutors, later learned her husband was having an affair.
As I Lay Dying Singer Tim Lambesis Posts $2M Bail
They say Lambesis gave the undercover agent a photograph of his wife, her address, security gate code and dates he would be with his children to give him an alibi.
Defense attorney, Thomas Warwick, has said his client had been using steroids for body building and they'd had a devastating effect on his mind. His lawyer did not return calls seeking comment before the hearing.
The singer has been out on $2 million bail since May. He was ordered to wear a GPS monitor and to stay away from Meggan Lambesis and their three children, who were adopted from Ethiopia.
As I Lay Dying's Tim Lambesis Pleads Not Guilty to Murder Solicitation Charge
"As I Lay Dying" formed in San Diego in 2000 and has released six albums, including 2007's "An Ocean Between Us," which reached No. 8 on Billboard's charts. A single from the album, "Nothing Left," was nominated for a Grammy for top metal performance.
The band plays in an aggressive style that features lightening-speed metal guitar riffs. The group's philosophical lyrics have attracted a following of Christian rock fans.
If convicted, Lambesis could face up to nine years in prison.