Hearing tests and hearing aid fittings with Robert Cousins, a Licensed Hearing Instrument Specialist with 10+ years of experience. In-home visits available.
Reviews from Hear4U patients.
“Robert provided me with a level of care that truly was above outstanding. His testing criteria was above anything I has previously experienced.”
David“Robert was excellent! It’s so nice that he came to my house and how affordable his hearing aids are.”
Ray
Hear4U offers personalized care: your hearing test, hearing aid selection, professional fitting, and ongoing follow-up, adjustments and cleanings. Visit the Diamond Bar office, or ask about in-home and senior community visits.
Call Robert: (626) 226-47361370 Valley Vista Dr, Suite 200, Room 227, Diamond Bar. Free parking. Check in at the building reception.




Three simple steps from first call to your new hearing aids.
Pick a time that works for you, at the office or at home.
A comprehensive hearing evaluation, including speech testing.
A 1-week, no-cost demonstration so you can try them in your daily life.
Coverage varies widely by plan. Check your hearing aid benefits with your plan, or call us with questions.
Through Amplifon, TruHearing and NationsHearing.
Monthly plans from about $75 to $200 per month for a complete pair.
Prefer not to call? Send a quick request and we’ll get back to you during business hours.
1370 Valley Vista Dr, Suite 200, Room 227
Diamond Bar, CA 91765
Monday to Friday
8:30am to 5:00pm