Burr Brown OPA2134PA OPA2134 - Dual HiFi Audio OpAmp (Pack of 2)
The OPA2134 series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications
Superior Sound Quality, Ultra Low Distortion: 0.00008%, Low Noise: 8 nV/√Hz
True FET-Input: IB = 5pA, High Speed: Slew Rate: 20 V/µs Bandwidth: 8 MHz
High Open-Loop Gain: 120 dB (600 Ω), Wide Supply Range: ±2.5 V to ±18 V
Example Applications: Professional Audio and Music, Line Drivers, Line Receivers, Multimedia Audio, Active Filters, Preamplifiers, Integrators, Crossover Networks

Fosi Audio V3 Stereo Amplifier Home Audio 300 Watts x2 Power TPA3255 Class D Mini Speaker Amp 2 Channel Audio Component for Passive Bookshelf Tower Speakers Desktop Home Theater with 48V Power Supply
Compact Yet Powerful: The V3 mini power amplifier combines a minimalist design with exceptional performance. With a power output of up to 600W, it can effortlessly drive 2-8Ω speakers, delivering impressive sound quality. Its compact size makes it suitable for various applications, from bookshelves and desktop setups to home theaters.
Audiophile-Grade Components: It features the TPA3255 high-end digital class D amp chip and utilizes premium Japanese NCC, ELNA, and German WIMA capacitors, and Japanese Sumida inductors for exceptional audio quality. With a SINAD rating of up to 88dB, an SNR of up to 110dB, and a low noise floor of only 140uV, it delivers exceptional clarity and low distortion.
Innovative Cooling: The V3 stands out with its groundbreaking heat dissipation design. Equipped with vents on the casing's top and bottom, and a whole-body heatsink design, it efficiently dissipates heat, preventing damage to components and ensuring optimal performance.
Scalable and Fun: Tailor your sound experience by swapping the stock NE5532 op-amps. V3 is compatible with a variety of 8-pin dual op-amps like Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4559, LM4562, LME49720HA, etc.
Worry-Free: Enjoy peace of mind with the V3 stereo amplifier. It comes with a 24-month warranty, ensuring reliable performance and customer satisfaction. Note: The "Pre-out" level is NOT controlled by the volume control as the V3 is not an integrated amplifier, so the sound is NOT adjustable when you are connected to the "Pre-out". Note: It doesn't come with the orange knob.

WO HUI Scan Reader Pen F1 English to Chinese Translator Device, Learn Chinese Reader Pen Text to Speech Pen OCR Digital Translator Dictionary Pen Portable for Meetings Travel
Portable Size and Easy to Use:This portable translator is compact and lightweight, and can be easily carried in pockets and backpacks. The high-definition touch screen allows you to easily read the translated text; the operation mode of touch buttons makes it easy for people of any age to use.
Smart Chinese language learning device: this pen contains the syllabus lists for the most popular Chinese language exams: HSK 1-6, YCT 1-4, GCSE (AQA), GCSE (Pearson Edexcel), iGCSE (Cambridge) and IB Ab Initio to help you study and test yourself on the Chinese vocabulary you need with daily plans and spaced repetition.
Accurate offline translation: instant two-way translation between EN↔CN. Scan 1 word/0.8 second - Translation, test, history and more provided. The translator pen is wireless. Even if there is no wifi, it can be translated accurately and is not restricted by location.
Text To Speech Device: Reader pen scanner will read the original text back to you after scanning, which is an effective read tool for people with dyslexia and reading difficulties. To make reading easier with an pen reader which can help you to reach your potential and improve independence and self-confidence.
Scan Translation: With OCR recognition technology, reading pen dictionary can scan words or sentences and then get the original translation. transcribe, hear, look up and translate words and sentences simply by scanning text or recording speech. Review the history of items you've scanned or recorded and bookmark words you want to study or test yourself on later.It's a gift for taking exams and multi-language learning.