Top Low Frequency Spectrum Analyzer

IS Icstation 8X8 Color LED Sound Audio Spectrum Analyzer Level Indicator Kit DIY Electoronics Soldering Practice Set

DIY 8X8 color LED frequency spectrum analyzer projects assemble kit.
There are three display mode can be selected(Fast flash, Slow flash 1,Slow flash 2).
There are three sensitivity modes can be selected(High,Medium,Low).Adapt to different environments..
Signal Input Way: 3.5mm audio wire, microphone.

Rockville REQ42-S 2 x 21 Band Home Theater Equalizer w/Spectrum Analyzer, Dual Channel 21+21 Band Graphic Equalizer (total of 42 bands), Blue LED on each Equalizer Slide Control.
RCA stereo input: DVD/Tape/Tuner/Aux-MP3 with Front Panel Selector Switch, RCA Stereo Record Output.
Front Panel 3.5mm iPod/MP3 Player Input Jack, Dual VU Meters Level Monitor.
Individual LED Indicators, Outputs-RCA (REC, Mail), Multi Color LED Display.
Low/High Function, Frequency Response: 20-20,000 Hz, Signal to Noise Ratio: 80dB, Removable Rack Mount Brackets.

Configurable Display Colors and Number of Frequency Bars.
Analyzes Input from built in microphone, or other devices attached to the Line-in input..

DIY 12X11 color LED frequency spectrum analyzer projects assemble kit.
5mm diameter red blue and green color LED diode simulate audio spectrum with acrylic case and supporting audio and microphone input.
Comes with acylic light filter plate case to cover the mainboard to make it more beautiful after assembled.
Working Voltage:5V,PCB Size:119X118.5mm/4.69X4.67inch(L*W).
Ship it out by USPS with tracking information and 7-17 days delievery time usually.

Two-channel USB digital oscilloscope, spectrum analyzer, and network analyzer (±25V, differential, 14-bit, 100MS/s, 30MHz+ bandwidth).
Two-channel arbitrary function generator (±5V, 14-bit, 100MS/s, 12MHz+ bandwidth).
16-channel digital logic analyzer, pattern generator, and protocol analyzer (3.3V CMOS and 1.8V or 5V tolerant, 100MS/s).
Two input/output digital trigger signals for linking multiple instruments (3.3V CMOS).
Additional instruments including a data logger, impedance analyzer, and power supplies.

3.12 inch OLED music spectrum display analyzer audio level indicator VU METER 1P. Support 8 kinds of display effects (key switch), support time display, temperature and humidity detection..
Spectrum range: full audio range (20HZ~20KHZ).High and low temperature resistance, more suitable for vehicles..
Advantages of OLED screen: Low power consumption, high brightness.
Compared with ordinary LCD screens, OLED has a faster response speed.
OLED is more resistant to vibration than VFD (vacuum screen).
No music input automatically switches to the time display function..
Built-in high-sensitivity microphone, no longer worry about wiring.
It also supports audio line input, it is recommended to use audio line input to obtain more accurate spectrum effects..

200MHz, 4-channel, DSO, Spectrum analyzer, dual channel 25MHz AWG, 5,000 count DMM and power supply.

【Abrasion Resistance 】The shell of this portable spectrum analyzer is made of high-quality aluminum alloy, which is corrosion-resistant and....
【Professional manufacture 】 Ensures you higher quality products, you can buy it with ease..
【High efficiency】This signal generator has a large input power, which can greatly improve work efficiency..
【Wider scope 】 The high‑accuracy frequency and high acceptance range of the power meter greatly increase the scope of application.The signal....
【Note】If you need the Software of this handheld spectrum analyzers,please be free to contust us .We will reply in 4-6 hours..

...easurement function. It contains a 2.8-inch touch screen, 450mah battery, which can be used offline for 3 hours..
【Accurate,Portable and Easy to handle】 This tiny vector network analyzer is a truly handheld and measurement licensed microwave band, and consists of original equipment, which is dedicated to its own frequency range and reasonable price..
【Fit 10KHz-1.5GHz Frequency 】 Battery powered spectrum compact equipment does not need an external down converter or connection with a PC. It is a necessary tool for any field engineer to perform microwave equipment installation, link troubleshooting, site planning and maintenance in the field environment..
【Metal Shield】The metal shield is designed to reduce external interference and improve the measurement accuracy. Its frequency algorithm can be extended to 900MHz with the odd harmonics of si5351. The direct output 50k-300mhz band can provide better than 70dB dynamic, the expanded 300m-600mhz band can provide better than 50dB dynamic, and the 600m-900m band can provide better than 40dB dynamic..
【Note】 Free software is available which from the open source forums adds good functionality to the device. There is a users group for the Nano VNA at Nanovna-users @groups, if you want to learn mor....

Package Includes: (1) Technical Pro H12X500UBT 6000w 6-Zone Home Theater Bluetooth Receiver. (1) Rockville REQ42-B Black 19" Rack Mount 2 x 21 Band....
Inputs: (2) RCA, USB, SD Card, MP3 (3.5mm). Outputs: Banana Binding Post (4 Speakers), Push Button (Surround Sound Speakers). Plays MP3, WAV, WMA....
Bass, Treble and Balance Controls. Dual 1/4'' Mic Inputs with Volume, Echo, Bass and Treble Controls. Separate Gain Control for Preamp and Subwoofer....
Product Weight: 23 Lbs.. Features: Rockville REQ42-B Black 19" Rack Mount 2 x 21 Band Equalizer w/Spectrum Analyzer. 19" Rack Mountable. Dual Channel....
Dual VU Meters Level Monitor. Individual LED Indicators. Outputs-RCA (REC, Mail). Multi Color LED Display. Low/High Function. Frequency Response:....