Feature:1. Dedicated Op Amps: Our HiFi dual op amp module is one of the dedicated op amps, one of the advanced dual op amps on the market.2. Beautiful Sound: The sound from our HiFi dual op amp module is warm and natural, giving you a great sound playback experience.3. Good Listening Experience: The background sound from our HiFi dual op amp module is quiet and soothing, but at the same time full of emotion, giving you a whole new sensory feast.4. Sound Quality Improvement: Our HiFi dual op amp module is suitable for HiFi lovers to improve the sound quality of their devices in one step, if you happen to have such a need, then this one is for you.5. Great Replacement: This can upgrade and replace most of the op amps on the market, perfect for audiophiles to upgrade and replace equipment such as Opa2604ap, ne5532p, 4558d, lme49720na, etc.Specification:Item Type: HiFi Dual Op Amp ModuleModel: V4i-SAmplifier Type: Dedicated AudioNumber of Amplifier Channels: Dual op ampConversion Rate: 2v/s Bandwidth: 5mhz Current Input Bias: 23naPower Supply Single Current Supply: 4ma Operating Temperature: -40C to 85C.Package List:1 x Dual Op Amp Module