Description: Accurate music spectrum analyzer & clock display: adopts dedicated VFD display screen with 25 × 15 high resolution, guaranteeing the accuracy of each frequency band. Also with a high-precision clock display, using SD3078 built-in crystal oscillator which can ensure that the clock accuracy is ±3.8ppm, month error within 10 seconds, very cool and interesting. Wide frequency range display & 3.5mm AUX/MIC input: support 20Hz-20KHz frequency sweep, high-precision display even can do frequency point test. With a 3.5mm AUX and sensitive MIC pick-up, perfectly achieve wired and wireless connections, you can easily see every subtle change in sound. Special AGC and spectrum algorithm & customized output curve: ensure ideal visual effects even the input signal is in a small to large range, even can Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Nobsound & Douk Audio Add-on Items US Warehouse UK Warehouse DE Warehouse AU Warehouse Digital Amplifier Tube Amplifier Audio Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Audio Player Music Spectrum & Clock Empty Chassis Record Player & Turntable Part Power Supply Vacuum Tubes Hi-Fi Speakers Hi-Fi Cable Transformer Radio Communication Audio Accessories Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Nobsound & Douk Audio Add-on Items US Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other UK Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Audio Board & DIY Kit Audio Accessories Other DE Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Aluminum Chassis Record Player & Turntable Part Audio Board & DIY Kit Radio Communication Audio Accessories Other AU Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other Digital Amplifier Multi-Function Mono Channel 2.0 Channel 2.1 Channel 4.0 Channel 5.1 Channel Tube Amplifier DIY Kit Hybrid Amplifier Mini Tube Amplifier EL34 Tube Amplifier KT88 Tube Amplifier 300B Tube Amplifier Other Tube Amplifier Audio Amplifier Mini Amplifier Integrated Amplifier Power Amplifier Audio Board & DIY Kit Preamp & Phono Stage Tube Preamp Digital Preamp Phono Preamp Passive Preamp Audio Board & DIY Kit Headphone Amplifier Mini Headphone Amp Desktop Headphone Amp Portable Headphone Amp Tube Headphone Amp DAC & Audio Adapter Audio Adapter USB DAC Bluetooth Receiver/Transmitter Digital Interface Audio Board & DIY Kit Audio Splitter/Switcher Speaker Switcher Bluetooth & XLR & MIC 2 Way 3 Way 4 Way Multiple Way Audio Processor Guitar Effects Equalizer Audio Mixer Noise Isolator Audio Player Digital Player Record Player CD Player Portable Player Music Spectrum & Clock Analog VU Meter Tube Sound Level Meter LED Sound Level Meter VFD Audio Spectrum LED Clock Nixie Tube Clock VFD Tube Clock IPS Nixie Clock Oscilloscope Tube Clock Board & DIY Kit Other Empty Chassis Small-sized Medium-sized Large-sized Personalized Record Player & Turntable Part Set-up Transformer Record Weight & Clamp Cleaning Kit Scale Gauge Platter Mat Dust Cover Needle Other Power Supply Linear Power Supply Switching Power Supply Power Supply Filter USB Charging Hub Board & DIY Kit Vacuum Tubes Shuguang Tube PSVANE Tube Tube Socket Tube Tester Probe Hi-Fi Speakers Frequency Divider Speaker Unit Hi-Fi Cable RCA Audio Cable 1/8 & 1/4 Stereo Jack Cable Speaker Cable USB Cable Optical Fiber Cable Conversion Cable Dock Cable Other Transformer Toroidal transformer Output Transformer Other Radio Communication Tesla Coil Transmitter & Receiver Signal Generator Antennas & Tuners Shortwave Radios Ham Amateur Radio Audio Accessories Volume Controller Mount Stand Bracket Feet & Pads Op Amp Headphone Current Meter Other Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! AK2515 MIC Pick up Audio Spectrum VFD Sound Level Meter VU Meter Screen Display Item description Warm tips: For safe shipping, we package the main board and the acrylic board separately, need you to assemble it with several screws (It's very easy, don't worry). Features Accurate music spectrum analyzer & clock display: adopts dedicated VFD display screen with 25 × 15 high resolution, guaranteeing the accuracy of each frequency band. Also with a high-precision clock display, using SD3078 built-in crystal oscillator which can ensure that the clock accuracy is ±3.8ppm, month error within 10 seconds, very cool and interesting. Wide frequency range display & 3.5mm AUX/MIC input: support 20Hz-20KHz frequency sweep, high-precision display even can do frequency point test. With a 3.5mm AUX and sensitive MIC pick-up, perfectly achieve wired and wireless connections, you can easily see every subtle change in sound. Special AGC and spectrum algorithm & customized output curve: ensure ideal visual effects even the input signal is in a small to large range, even can switch the gain between -10/-5/-3/-1/0dB. With 3 kinds of display modes: real output / smooth output I / smooth output II, both ensure accuracy and best display effects, satisfy different usage requirements. Many adjustable items & display effects: the brightness, the falling speed of main light column, the holding time and the falling speed of the peak can be adjusted separately. Supports displaying date and time, 4 fonts, 5 music spectrum display modes, 5 clock display modes, and 3 level modes for free selection, all settings with power-off memory function, no need to set it again after restarting. Frequency division/amplification curve function and noise filtering: 5 frequency division modes can make the visual effect better; 5 amplification curve modes can suppress low-frequency or boost high-frequency. With one click noise filtering function, effectively improves the clarity of sound, and is well-adapted for use in different environments. Parameters Display screen: VFD (Vacuum Fluorescent Display) Resolution: 25 × 15 Frequency range supported: 32Hz-20KHz Display item: music spectrum / sound level / clock Audio signal input: 3.5mm AUX / MIC Work mode: 1. Auto mode (display music spectrum when music input, display clock mode when no music input)2. Auto mode without clock display (display music spectrum when music input, enter deep sleep mode when no music input)3. Music spectrum mode (always)4. Clock display mode (always) Sound level display mode: 3 kinds1. Normal mode2. Mirror mode 13. Mirror mode 2 Amplification curve settings: 5 modes 1. Compressed low-frequency 2. Compressed low-frequency to enhance high frequency 3. No enlarging(default setting) 4. Slightly compression low frequency to enhances high frequency 5. Enhance high frequency Music spectrum mode: Normal mode / Invert color mode / Reverse mode / Frequency division mode / Amplified curve modeReal output / Smooth output I / Smooth output II Adjustable items: main light column falling speed / peak holding time / peak falling speed Clock display: year / month / day / hour / minute / second & date Brightness adjustment: 7 levels Font type: 4 kinds Working voltage: DC 5V Dimensions(W*D*H): 175*28*50mm / 6.89*1.10*1.97in Net weight: 189g/1.42lb Package weight: 300g/0.66lb Packing List 1× AK2515 Audio Spectrum Analyzer Board 1× USB Cable (Type-C) 1× 3.5mm Audio Cable 1× 1:2 3.5mm Cable 2× Acrylic Board 1 Set × Installation Screws Payment Delivery details Return Policy About us Contact us Payment Safe and secure payment by PayPal. Delivery details Please leave VALID TELEPHONE NUMBER which is necessary and very important. Customs Clearance We are NOT responsible for any customs duties fee. We are NOT responsible for any import tax or customs delay. Most item will be shipped within 2 working days. For package less than 2KG, we use Airmail (10-25 days to most countries) and for package over than 2KG we use Expedited Service such as DHL, UPS and FEDEX (5-8 days to most countries). Return Policy Free Return Within 30 DaysWe provide return within 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us
Price: 64.99 USD
Location: shenzhen
End Time: 2023-08-16T02:35:43.000Z
Shipping Cost: 0 USD
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Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Brand: Douk Audio
Model: AK2515
MPN: PJ454-NEW
Product: Audio Spectrum Analyzer
Frequency Range: 32HZ-20KHZ
Note: Without Power Adapter