Top Frequency Control Products Reviews

Monoprice Mp-C65Rt Center Channel Speaker - Black with Dual 4.5 Woofers, Ribbon Tweeter, Compact Design (135125)

Ribbon tweeter. Clear dialog. Added detail. Ribbon Tweeters are able to produce an extended frequency response, with much lower distortion than traditional designs. With this tweeter design, you get exceptional high frequency response, lower distortion, and greater clarity.
Dual 4.5in Woofers. Extended bass. More output. One woofer just isn't enough! Dual Woofers extend the bass response and ensures that dialog and music comes through in crystal clear fashion.
Compact design. Ease of placement. The mp-c65rt is a compact center channel that won't dominate the room. The design features spring loaded speaker terminals and a removable grille.
Quality at a fair price: Monoprice's rugged design and rigid quality control standards deliver high quality products at fair prices.
Service & support: Contact our technical support team For questions about our products, troubleshooting, or even Suggestions for products to fit your particular needs.

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SONOBIO Handheld Portable Ultrasonic Homogenizer/Sonicator Lab Emulsifier Mixer Cell Disruptor (0.3~100ml; Ø3 mm Probe)

【Handheld Design】Light weight handheld ultrasonic homogenizer, small size which is portable, can be held by hand or on stand..
【Easy to use】One button design, push to Start, 8 levels/gear power control, 120 watt (Maximum) REAL power..
【Widely Applications】Mixing, Blending, Emulsifying, Homogenizing, Sample preparation, Cell disruption, Nanoparticle dispersion, Homogenization, DNA, cell lysis, Protein extraction..
【Automation】Self-designed 30kHz frequency sweep circuit with 28-32kHz frequency automatic tracking and power control. One-key setting can run automatically, save time and effort..
【Satisfaction & Guarantee】All SINO SONICS products come with one more year satisfaction guarantee.
Titanium Alloy probe, can be used at 1100°F high temperature, acid and alkali resistance, Ø3mm, Ø6mm, Ø8mm size probe available..

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Rockville REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer+3 Way Mono Crossover

...z effective equalization range. Constant Q filters. Selectable 6dB or 12dB cut or boost range.
Output level LEDs (-10 to +17 dB). Bypass switch with status LED. Ground lift switch. Balanced XLR input/output. Subwoofer out. Channels: 2 (stereo). Connectors: XLR balanced inputs and outputs. Bands: 31 per channel. Frequency Centers: 20 Hz, 25 Hz, 31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 200 Hz, 250 Hz, 315 Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 kHz, 1.25 kHz, 1.5 kHz, 2 kHz, 2.5 kHz, 3.15 kHz, 4 kHz, 5 kHz, 6.3 kHz, 8 kHz, 10 kHz, 12.5 kHz, 16 kHz, 20 kHz.
Control Range: Selectable +/-12dB 0r +/-6dB. Input Impedance: 50k ohms. Output Impedance: 600 ohms. Maximum Output Level: +21dB. Level Control: +/- 10 dB. Signal to Noise: >93 dB. Distortion: 0.005%. Roll-off filters: 18dB/octave, Butterworth. Power Consumption: 15 watts. Weight Unpacked: 7.00 lbs. Weight Packed: 9 lbs. Width Packed: 5.87". Height Packed: 20. 5". Depth Packed: 9.62". Features of RX230: RockvilIe RX230 2-way Stereo / 3-way Mono rack mountable crossover.
Ability to mix 2 channels output. 24dB/Octave filters. Mute switches. Channel Gain Control: 0 to +12 dB. Low Frequency Level Control: -to +6 dB. High Frequency Level Control: -to +6 dB. Low Frequency to High Frequen....

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Duokon Car Mobile DVD TV Receiver Analog TV Tuner Strong Signal Box with Antenna Remote Controller

more clear and stable ----- This model use the IIC bus control technical and frequency and phase lock loop control technology, makes picture quality more clear and stable, non-drift phenomenon, can receive wired and wireless analog TV signals.
Receive TV format -----Receive TV format including PAL, SECAM, NTSC and TV sound System (DK, I, BG, M)..
portable DVD ----- Connect your portable DVD or monitor and watch analog TV..
Easy to operate ----- Receive closed-circuit television signal or outdoor signal, With OSD menu display function, mor....

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Agatige Frequency to Voltage Converter Module, 0-10Khz to 0-10V F/V Digital to Analog Converter Conversion Module

FUNCTION: The frequency of the pulse signal 0HZ to 10KHZ converts into an analog voltage signal of 0-10V. Can be used to interface switching between the PLC and the frequency converter, or interface matching such as the matching of motion control card and inverter control..
FEATURES: Input pulse level is 5V 12V 24V, which can be directly entered without serial resistor. The input signal frequency must maintain more than 0.5 seconds..
ANTI-INTERFERENCE: Conversion module's signal inputs with optical coupling isolation, which can ensure that the capability of anti-interfence..
APPLICATION: Frequency to Voltage Converter Module Can be used for industrial control panel PLC or other signal interface switching.
MAJOR SPECIFICATIONS: Output current: 5MA,Voltage: 0-10V, Input pulse level: 5V 12V 24V, Frequency: 0 to 10KHZ..

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Carrera RC 162108 Official Licensed Mario Kart Yoshi Race Kart 1:16 Scale 2.4 GHz Splash Proof Remote Control Car Vehicle with Sound and Body Tilting Action - Rechargeable Battery - Kid Toys

...le). charge your vehicle and it's time to race!.
Experience high-end racing with Carrera power - high-speed performance and extended driving periods are guaranteed by modern, top quality engineering. Featuring full-power acceleration, precise steering, and turbo-charged driving with genuine RC power..
2.4 GHz digital frequency control system - frequency independence enables operation of up to 16 remote control vehicles simultaneously by eliminating unwanted radio interference from other controllers or nearby electronic devices. No interference means an uninterrupted and enjoyable Frustration-Free experience!.
Turbo charge means less charging, more racing - the included Certified turbo charger fully charges the vehicle battery in only 80-Minutes with each charge providing up to 40-minutes of drive time leaving less downtime on the charger..
Officially licensed - Yoshi Kart racer is part of the Carrera RC Mario Kart family of official licensed Nintendo remote control products..

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Behringer 904B VOLTAGE CONTROLLED HIGH PASS FILTER Legendary Analog High Pass VCF Module for Eurorack

Vintage-sounding 904B High Pass VCF module from the '70s.
Authentic reproduction of the circuitry from the "Modular 55 & 35" Series.
Artist roster includes world's most famous pop, rock and jazz musicians.
Audio in and out connectors plus 3 CV inputs for control of frequency.
Frequency control and range switch allows full manual control of cutoff frequency.

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Flysky FS-GT3B 3Ch GT3B RC Transmitter and Receiver 2.4Ghz RC Car Remote Controller with 3 Channal GR3E Radio Receiver for RC Car Boat Rc Trail Crawler Truck

【Used For】FlySky GT3B Radio Transmitter Remote Controller with GR3E receiver perfect used for rc car, rc truck, rc crawlers, and rc boat..
【RC Transmitter and Receiver】Adopts AFHDS (Automatic Frequency Hopping Digital System). Super active and passive anti-jamming capabilities. Very low power consumption and stable performance. LCD screen display..
【Great Anti-jamming】Working frequency between 2.40GHz-2.4835GHz has been divided into 160 frequency points, each system uses 16 points and 160 hopping frequency to avoid frequency jamming..
【Remote Control Range】 Stable control your model 100 ～ 200m (ground), good works of out of control protection. Let the beginners can control the car or boat easily!.
【Packing List】 1*FS-GT3B Transmitter, 1*GR3E Receiver, 1*Decoder, 1*Instructions. Any question please contact us feel free..

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Presonus Eris E3.5 2-Way 3.5' Near Field Studio Monitor (Pair) with Knox Isolation Pads and Stereo Breakout Cable Bundle

BUNDLE INCLUDES: Presonus Eris E3.5 2-Way 3.5" Near Field Studio Monitor Pair, Isolation Pads (2-Pack), and 3.5mm TRS to Dual 1/4-inch TS Stereo Breakout Cable.
LOW-FREQUENCY TRANSDUCER: 3.5-inch (89 mm) Kevlar low-frequency transducer.
HIGH-FREQUENCY TRANSDUCER: 1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer.
ACOUSTIC PORT: Rear-firing acoustic port for superior bass-frequency reproduction.
VOLUME CONTROL: Front-panel volume control for speakers and headphone amplifier.

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AD8317 1M-10GHz 60dB RF Power Meter Logarithmic RF Signal Power Detector Controller for Amplifier

EASY TO USE :The logarithmic power meter adopts AD8317 chip design, which is convenient to use, small in size, high in efficiency, easy to install, stable and reliable, and is used for radio frequency signal power detection..
DETECTABLE :The logarithmic power meter has strict quality control and quality assurance. It can detect the power of the radio frequency signal from -55dBm to 0dBm, and convert the radio frequency signal into a DC voltage output..
DYNAMIC RANGE :The greater the amplitude or power of the radio frequency signal, the higher the output voltage, and the output voltage is proportional to the logarithm of the input signal amplitude, thereby expanding the dynamic range of the detection signal to 55dB..
WIDELY USED :The logarithmic power meter adopts advanced technology and exquisite craftsmanship, and has been improved to improve durability. Logarithmic detector can be widely used in radio frequency signal detection, signal power measurement, and environmental field strength detection..

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AC Current Sensing Switch Flameproof Adjustable 0.2~30A IP30 Self-Powered Sensing Switch(Normally Closed)

Control of various automatic industrial control equipment, flash, buzzer, relay, single chip, or other power load equipment..
Using the electromagnetic mutual inductance principle of current, the advanced switch output detection, monitoring and protection alarm type products without power supply technology are adopted..
Widely used in substation, frequency control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other need current monitoring automation industry..
Compared with traditional transformer and thermal protector, it has the advantages of high accuracy, stable performance and long service life..
The current-sensing switch is for safe, convenient monitoring or detecting the current of electric equipment. An ideal choice for automatic industrial control equipment and electric power monitoring..

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Analog Voltage to PWM Signal Converter, 0-5V/0-10V Analog Input Voltage to 0-100% PWM Signal 2KHZ-20KHZ Converter Module,for PWM Motor Speed Control Interface Circuit Activity

Voltage to PWM Signal Converter Module: This module can convert 0-5V or 0-10V analog input voltage into 0-100% PWM signal..
Wide Application: This module is widely used for PWM motor speed control interface circuit, instrumentation AD interface conversion, and other applications that need convert voltage to PWM signal..
PWM Signal Frequency Range: The PWM signal frequency range is 2KHZ-20KHZ, maximum is 20KHZ, default minimum is 2KHZ,Hyuduo is committed to providing customers with high-quality products and thoughtful service..
Setable Output Frequency: The default function of this module is converting 0-10V into 0-100% 2KHZ PWM signal, but the output frequency can be set by adjusting potentiometer as needed,stable and reliable performance, practical, easy to operate and use, has a long service life..
Two Kinds of PWM Signal: There are two kinds of PWM signal, PNP-PWM output and NPN-PWM output. The PNP-PWM output is only 5V level, NPN-PWM output is 5V and 24V level,If you have any problem,please contact us, we will strive to provide you with satisfactory service!.

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Facial Massager Skin Tightening Machine, 4 Color LED Light Therapy Machine, Promote Face Cream Absorption Strengthening Elasticity Modifying Wrinkles Professional Care Anti-Aging Skin Care Tools.

...our beauty parlor, it is easy to operate at any time..
FACIAL LED LIGHT THERAPY: 4-Color LED facial light therapy helps enhance face elasticity, increase blood circulation, and make the skin more beautiful and younger. To reshape the beauty of time, we reject edema、fine lines、facial sagging and large pores..
HIGH FREQUENCY MASSAGE: High frequency function helps warm skin temperature opens pores, makes the essence easy to absorb quickly, does not waste skin care essence, and makes skin moisturize for a long time, since then, there is no need to worry that expensive skin care products do not play a role in care. Please continue to use it three to four times a week, when your skin gets better, you can control the frequency of use according to your skin condition..
PERFECT COMBINATION: LED Light Therapy with high-frequency vibration massage, you can use the power of vibration massage to tighten the skin by gently exercising facial muscles, so as to improve the muscle tension of cheeks, around the eyes and forehead. This skin therapy wand allows you to use each mode alone or combine them for customized treatment, including anti-aging、skin firming、etc..
OUR SERVICES: Warm Prompt, in order to prevent discomfort caused by long-term use in a fixed positio....

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