3.12" OLED Sound Level Meter Display MIC/LINE Music Spectrum Audio Visualizer

Description

Adopting 32-inch high-speed processor, built-in professional agc (automatic gain control) module and the audio processing circuit, mic acquisition module, Can display every music and sound signal accurate, has excellent visual effect
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3.12" OLED Sound Level Meter Display MIC/LINE Music Spectrum Audio Visualizer
Item description
Introduction
Adopting 32-inch high-speed processor, built-in professional agc (automatic gain control) module and the audio processing circuit, mic acquisition module,
Can display every music and sound signal accurate, has excellent visual effect.
There are 12 kinds of classic display modes (please refer to the description), press the K1 to switch among the 12 kinds, setting with power-off memory; 256 frequency Division is suitable for treble and alto; 64 and 128 frequency Division are suitable
For all music, 64 frequency division is also suitable for vehicle spectrum.
Two kinds of signal acquisition modes: mic (electret condenser microphone) and LIN (line input), press the K2 Key to switch between them, setting with power-off memory; two potentiometers: the audio spectrum analyser display Amplitude and input signal can be
Adjusted by spectrum display Amplitude potentiometer and input adjustment.
Powered by USB DC 5V, all devices with USB interface can power up this digital spectrum, including computers, Cell phone chargers, mobile power, etc please do NOT use counterfeit phone chargers, unstable power supply or other power supplies which have large ripple, or
It will cause damage to the spectrum.
With high sensitive built-in MIC, can be used on car music spectrum and radio music monitoring auxiliary equipment when it is used as car spectrum, there is no electrical wiring required, only need to connect USB DC 5V power supply and do not need
To connect audio.
Product description
12 kinds of classic display modes:
Mode 1: 64 frequency division with peak holding mode (
Thick
)
Mode 2: 64 frequency division without peak holding mode
(
Thick
)
Mode 3:
64 frequency division with peak holding mode (
thin
)
Mode 4: 64 frequency division without peak holding mode
(
thin
)
Mode 5:
64 frequency division with peak holding mode (
Thick
stereoscopic)
Mode 6:
64 frequency division without peak holding mode
(
Thick
stereoscopic
)
Mode 7: 256 frequency division with peak holding mode
Mode 8: 256 frequency division without peak holding mode
Mode 9: up and down mirror display mode
Mode 10: 256 points waveform display mode
Mode 11: 128 points waveform +128 frequency division with peak holding
Mode 12: 128 points waveform +128 frequency division without peak holding
Key and Power Switch:
K1: mode switching, with power-off memory
K2: switch between MIC and LIN input, with power-off memory
Power Switch: push down to turn on
Potentiometer Function:
Input adjustment potentiometer: for adjusting the input signal, for example, the input signal can be attenuated if it is too strong, or adjust this potentiometer to shield some equipments which have strong background noise. (Clockwise to increase)
(Automatic Gain) process. After setting, the automatic gain will take this setting value as the maximum amplitude to adjust automatically. (Clockwise to increase)
Connection:
Audio terminal input interference 3.5mm male headphones, connect it to computer headphone output interface via the audio branch, the other end of the branch linkage external audio equipment. Please check if the audio cable or branch has good contact if the audio has noise or the
Spectrum has background noise under mute and MIC off mode when using
Package Includes:
1× AS256 Music Spectrum
1× USB Cable
1× 3.5mm Male to 2*Female Plug
Different mode show:
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Safe and secure payment by PayPal.
Delivery details
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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 Days
We 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-Friday
09:00 AM - 18:00 AM
New York(US)
Sunday to Thursday
08:00 PM - 05:00 AM
London(UK)
Monday-Friday
01:00 AM - 10:00 AM
Paris(FR)
Monday-Friday
02:00 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.
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