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From the brand
Douk Audio & Nobsound
Make Hi-Fi Affordable
Estabilshed in 2013, Douk Audio & Nobsound is created by a group of enthusiastic music fans and professional audio experts.
We design and make various audio equipments including amplifier, phono preamp, headphone amp, DAC, audio switch and so on.
Our aim is “Make Hi-Fi Affordable” !
Bluetooth Amplifier
Subwoofer & Mono Amplifier
Phono Preamp & Amp
Equalizer & Bluetooth Preamp
Headphone Amp & Booster & DAC
VU Meter Series
Audio Switch & Mixer
Nobsound Q4
USB Audio Gaming DAC & Bluetooth Headphone Amp
Douk Audio H7 PRO
TPA3255 600W High Power Balanced Amp
Douk Audio BSA600
230W Bridgeable Bass Shaker Amp
Douk Audio T6PRO
300W x2 TPA3255 Bluetooth Tube Amp
Is Discontinued By Manufacturer : No
Package Dimensions : 7.87 x 5.67 x 1.61 inches; 10.55 ounces
Item model number : PJ454_US
Date First Available : March 29, 2018
Manufacturer : Nobsound
ASIN : B07BRSSR8H
High-Resolution VFD Sound Level Meter: The AK2515 analyzer boasts a 25×15 resolution VFD display, ensuring accurate frequency band representation. It also includes a precise clock display, utilizing an SD3078 built-in crystal oscillator for ±3.8ppm accuracy, with a monthly error within 10 seconds, providing both functionality and style.
Versatile Frequency Range and Connectivity: Covering an extensive 20Hz-20kHz frequency sweep, the AK2515 offers high-precision frequency point testing. The 3.5mm AUX and MIC inputs support both wired and wireless connections, capturing every nuance in sound with ease.
Advanced AGC and Customizable Display Modes: The AK2515 features a special AGC and spectrum algorithm for optimal visual effects across a wide range of input signals. Switch between -10/-5/-3/-1/0dB gain settings and choose from three display modes (real output, smooth output I, smooth output II) to meet your specific needs.
Extensive Customization and Adjustable Settings: Tailor your experience with adjustable brightness, main light column falling speed, peak holding and falling speeds, and more. The AK2515 also supports date and time display, four font types, five music spectrum modes, five clock modes, and three level modes, all with a power-off memory function for convenience.
Noise Filtering and Multiple Modes: With five frequency division and amplification curve modes, the AK2515 enhances visual clarity and sound quality. The noise filtering function significantly improves sound clarity, making it suitable for various environments. Choose from auto, deep sleep, music spectrum, and clock display modes to optimize your audio analysis.
Price effective as of Sep 26, 2024 21:26:46 UTC
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