Driving with headphones in California is illegal when they cover both ears, but wearing a single earbud is allowed. Vehicle Code Section 27400 prohibits any driver, motorcyclist, or bicyclist on a public road from wearing a headset covering both ears, earplugs in both ears, or earphones covering, resting on, or inserted in both ears.1California Legislative Information. California Vehicle Code VEH 27400 A first violation runs about $197 once penalty assessments are added, and it puts a point on your driving record.
What the Statute Prohibits
The word doing the work in CVC 27400 is “both.” The law is aimed at the complete loss of ambient hearing. If at least one ear is uncovered and you can still hear horns, sirens, and traffic around you, you are outside the prohibition.
Device type does not matter. Over-ear headphones, in-ear earbuds, noise-canceling models, and plain foam earplugs are all treated the same when they cover both ears. Neither does content: music, a podcast, a phone call, or silence all trigger the rule if both ears are blocked. The prohibition applies wherever you can lawfully drive or ride, from freeways to residential streets to bike lanes.
Wearing One Earbud Is Legal
Because the statute reaches only “both ears,” a single earbud or a one-ear Bluetooth headset is lawful while driving.1California Legislative Information. California Vehicle Code VEH 27400 This is the workaround most drivers use for hands-free calls and turn-by-turn navigation. Keep the device in one ear and leave the other open to the road.
A single earbud does not exempt you from California’s separate hands-free phone rule. Vehicle Code Section 23123 requires that phone calls be conducted hands-free, meaning you cannot hold the phone even if only one ear is covered.2California Legislative Information. California Vehicle Code VEH 23123 The two rules operate together: one ear open, both hands off the phone.
Who Is Exempt
CVC 27400 lists five categories of people who may lawfully cover both ears:
- Operators of authorized emergency vehicles, including police officers, firefighters, and paramedics using communication headsets on duty.
- People operating special construction equipment or highway maintenance vehicles.
- Refuse collection workers wearing hearing protection against the noise of their equipment.
- Anyone using noise-attenuating earplugs or custom molds designed to reduce harmful noise, as long as they still allow the wearer to hear sirens and horns.
- People wearing prosthetic devices that assist with hearing loss.
Motorcyclists rely most on the noise-attenuating exception. Highway-speed wind noise can damage hearing over time, and fitted earplugs that cut the roar while still letting emergency sounds through are explicitly legal. Standard music earbuds do not qualify.
What a Ticket Costs
The total fine for a first offense lands around $197. The base fine set by the legislature is much smaller than that; California adds mandatory penalty assessments, surcharges, and court fees to every traffic base fine, and those additions typically multiply the original amount several times over.3The Superior Court of California, County of Amador. Penalty Assessment Totals can vary slightly by county because some jurisdictions add local assessments.
A conviction also puts one point on your DMV driving record. Points accumulate: four in twelve months, six in twenty-four, or eight in thirty-six can lead to a negligent-operator suspension.4California DMV. Driver Negligence One headphone ticket will not get you there on its own, but it narrows your margin if other violations follow.
Insurance consequences are less predictable. Some carriers treat a single-point infraction like any other minor moving violation; others barely react. The fine is certain; the premium effect depends on your insurer and your record.
Why It Matters More After a Crash
The real cost of a CVC 27400 violation often shows up in a collision case rather than at the courthouse window. If you were wearing headphones in both ears when a crash occurred, the other side can point to the violation as evidence of negligence. California treats a statutory violation as presumptive proof of carelessness, which shifts the burden onto you to explain why your impaired hearing did not contribute to what happened.
Even when the headphones had nothing to do with the cause, opposing counsel will argue you could not hear a horn, a skid, or a siren that might have given you time to react. Under California’s comparative fault system, a court can assign you a percentage of the blame and reduce your recovery by that same percentage. That is how a $197 ticket turns into thousands of dollars in lost compensation.
Bicyclists Are Covered Too
CVC 27400 names bicycles alongside motor vehicles.1California Legislative Information. California Vehicle Code VEH 27400 A cyclist wearing earbuds in both ears faces the same fine and the same exposure after a crash as a driver would. Riding with both earbuds is common among commuters and recreational cyclists, and many do not know the rule reaches bikes. The single-ear workaround applies here as well.