These speakers are from Revel, the high end speaker company, but are renowned for their excellent value - sounding like much more expensive speakers. Shipping speakers to the UK might once have seemed as rewarding as carting coals to Newcastle, but the times they are a changing. Not so long ago the number of established, imported loudspeaker brands could be counted on less than the fingers of one hand (and they all came from a single distributor): now, even many of those speakers that carry. Classifieds: FOR SALE - Revel Concerta S12 surround speakers, black asking for $400.00 Stimulants Concerta: Frequently Asked ADHD Medication Questions. Concerta is a popular stimulant medication primarily used to treat ADHD in adults and children ages 6 and up. Many think Concerta (methylphenidate) is safe, or mild, because so many children use it. However, the government classifies the psychoactive drug with cocaine and morphine because it is highly addictive. Which ADHD medications are best for children with attention deficit disorder? Here, ADDitude readers rate the effectiveness of Strattera, Concerta, Adderall, Vyvanse, Evekeo, Ritalin, Focalin, and Dexedrine Concerta and Adderall are medications used to treat attention deficit hyperactivity disorder. These drugs help activate the areas of your brain that are responsible for focusing and paying attention. Methylphenidate ER (Concerta) is an expensive drug used to treat attention-deficit hyperactivity disorder. It is also used to treat narcolepsy. Short answer. Concerta contains methylphenidate whereas Adderall contains a mixture of amphetamine salts (MAS). Although Concerta and Adderall contain different ingredients, they are both classified as CNS stimulants and are thought to work in a similar way in ADHD - by increasing the concentration of two neurotransmitters (dopamine and. Methylphenidate Prices, Coupons and Patient Assistance Programs. Methylphenidate is a member of the CNS stimulants drug class and is commonly used for ADHD, Depression, Fatigue, and others.