Mic'd Up: Linebacker NaVorro Bowman at 49ers OTAs

Go on the field with Fred Warner during 49ers training camp as the linebacker was wired for sound.

Listen as San Francisco's head coach is wired for sound during 49ers training camp presented by SAP.

Listen in as Kris Kocurek works with the defensive line and Dee Ford goes toe to toe with Mike McGlinchey during the first day in pads at 49ers Training Camp presented by SAP.

Listen in as Mike McGlinchey talks hair care with George Kittle and welcomes Jimmy Garoppolo back to the huddle during the first practice of 49ers training camp.

Listen in as the 49ers inside linebackers coach kept the energy up on the sidelines during the team's mandatory minicamp.

Watch as Pettis brings some humor to the practice field and scores a touchdown to cap the 49ers offseason program.

Listen in as Buckner put on a show while he was wired for sound during practice for the team's third week of OTAs.

As Bowman announces his retirement, it's time to look back at his best moments with the 49ers.

Listen in as Welker was wired for sound during practice for the team's second week of OTAs.

Listen in as Kittle was wired for sound during practice for the team's first week of OTAs.

Take a look at some of the best Mic'd Up moments during the 49ers 2018 season from George Kittle, Kyle Shanahan, Joe Staley, DeForest Buckner and other members of the team.

Gould was wired for sound in Week 17. He displayed his singing skills pregame and watched George Kittle break the NFL record.

Staley was wired for sounds in Week 16 as the 49ers took the NFC North Champions to the wire at Levi's® Stadium.

Buckner was mic'd up in Week 15 against the Seattle Seahawks as he sacked Russell Wilson twice in the overtime victory.

Shanahan was mic'd up in Week 14 against the Denver Broncos as he called the plays that lead to George Kittle's historic performance.

Kittle was wired for sound in Week 13 against the Seattle Seahawks as he ran stride-for-stride with Dante Pettis on his 75-yard touchdown.

Watch as 49ers LB Fred Warner was wired for sound as the 49ers defense took on Odell Beckham Jr., Saquon Barkley and the New York Giants offense on "Monday Night Football."

Watch as 49ers DL DeForest Buckner was wired for sound as the 49ers defense dominated the Raiders in Week 9.

Watch as 49ers TE George Kittle was wired for sound in Week 8 against the Cardinals, showing his leadership in his first game since being voted as one of the team's six captains for the 2018 season.

Watch as 49ers FB Kyle Juszczyk was wired for sound in Week 6 against the Packers and helped the offense rack up 174 rushing yards.

Watch as 49ers TE George Kittle was wired for sound in Week 2 against the Lions and celebrated "National Tight End Day."

Watch as 49ers DB Adrian Colbert was wired for sound in Week 1 against the Vikings and delivered punishing hits to Minnesota’s wideouts.

Get an all-access look at the first day of 49ers mandatory minicamp where Richard Sherman was wired for sound.

Get an all-access look at 49ers organized team activities as the team's starting running back Jerick McKinnon was wired for sound.

49ers QB Jimmy Garoppolo was wired for sound during the win against the Titans. Check out the sights and sounds from the game!