Reviews Low Frequency Transforme

KZ EDX PRO 1DD 10mm Dual Magnetic Dynamic Driver HiFi in-Ear Monitors KZ Earphones KZ IEMs with Detachable 0.75mm C Pin Cable (No Mic, Cyan)

  • 【Upgraded Version KZ EDX PRO Earphones】Upgrade version of KZ EDX earphone, Using a special dual magnetic circuit sound unit, the size reaches 10mm. Dual magnetic circuit dynamic unit brings a more natural low frequency response and transparency high frequency performance ..
  • 【Special 10MM Dual Magnetic Circuit Dynamic Unit】The upgrade version of kz edx in ear earphones use a special 10mm dual magnetic circuit sound unit, bringing a more natural low frequency response and transparency high frequency performance .The advantage of the dual magnetic circuit dynamic is in the strong and abundant magnetic ,which provides shocking low-frequency sound effects, and the gentle and sweet vocals, as if being in a concert scene..
  • 【Three Frequencies Equalization, Smooth To The End 】The electronic crossover board is integrated into the dynamic unit through sophisticated technology to enhance the performance of the low-mid frequency dynamic range. whether it is EMD Rock R&B or Classical Violin , it can play a strong role ..
  • 【Ergonomic Design &Comfortable Wearing】The same ergonomic cavity structure as always, the ligh....
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Powered Subwoofer, BESTISAN Home Audio Bluetooth Subwoofer, Deep Base, Built-in Amplifier Wireless Home Theater Subwoofer for TV, Soundbar, Optical/RCA/Bluetooth (6.5 Inch, Black)

  • CONVENIENT, LED DISPLAY DESIGN- round corner design can prevent bruising and perfectly integrate with your room. led displays in different colors shows mode switching..
  • WIRELESS& WIRED SEAMLESS STREAMING- Included RCA, optical and Bluetooth allow Bestisan powered subwoofer to blend the subwoofer’s low-frequency tones with other speakers, soundbar, smart phone, tv, laptop, tablet, etc..
  • LOW RESONANCE CABINET & BLUETOOTH 5.0-The latest Bluetooth 5.0 chip and compact design effectively reduces resonance interference and unwanted noises, so all you can hear is the cleanest and purest sound..
  • 6.5″ HOME THEATER POWERED SUBWOOFER- The 6.5″powered subwoofer features continuously variable 60-250hz crossover and 40-250 hz frequency response, designed for audio and home theater performance..
  • ADJUSTABLE VOLUME AND LOW-FREQUENCY- Independent volume and low-frequency bandwidth adjustment knob located on the back panel of the subwoofer allows you to adjust the volume and low-frequency bandwidth according to your preference..
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Hisonic HM800 Dynamic Microphone

  • Low impedance element with extremely light weight diaphragm for excellent transient response and wide frequency range with exceptional detail &....
  • Twin AlNiCo magnet elements precisely constructed in a housing having wide dynamic range for smoothly reproducing clear & distortion-free sound.
  • Low-frequency rolloff & extended high-frequency response capture the original vocal sound with extraordinary clarity..
  • Rugged and durable Nickel finished Zinc casing..
  • Tight hypercardioid pattern stays uniform & symmetrical throughout entire frequency range to minimize feedback..
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Sleep Aid Device, Hand-held Nighttime Sleep Aid Device, Micro-Current Intelligent Relieve Anxiety Depression Fast Sleep Instrument, Natural Sleep Aid Device, Physical Sleep Aids

  • ...rivation and insomnia fall asleep as soon as possible. At the same time, it has the function of relieving migraines, relieving anxiety and releasing stress.This sleep aids has Light weight,small size and easy portability,So it can be used in the office, home and business trips. USB charging is very convenient..
  • [Low Frequency Microcurrent ]Low-frequency pulse current microampere level, does not hurt the body's function, still helps sleep after discontinuing use, non-drug, no dependence, through the palm of the hand to pass current, avoiding the risk of direct stimulation of the brain current..
  • [Two Frequency Modes] Our sleep aids have two modes. Low frequency mode (sleep mode): low frequency for soothing and relieving anxiety frequency, held in the palm of your Left hand can accelerate to let you sleep peacefully. High frequency mode (excitement mode): high frequency for excitement and inspiration frequency, held in the palm of your Right hand can make you excited and energetic, work and study with more passion..
  • [Important Notes&Easy to operate] Our sleep aid automatically stops after 15 minutes of work,so you don't have to worry about the device being in working condition all the time.To make it work again please turn it off and on again.As each perso....
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Facmogu 2PCS Bass Subwoofer Speakers HiFi Full Range Woofer Loudspeaker 4 Ohm Anti-Magnetic Car Vehicle Audio Speakers for 2.0/2.1 Boom Box Satellites Speaker DIY (5 Inch)

  • Full Range Woofer Loudspeaker is a 5"/6"/8" set, 4 ohm speaker complete range of amplifier, subwoofer speakers with an amazing frequency and loudness range.
  • provides amazing sound from low to very high volumes ..
  • A full-range woofer consists of a single driver element or red voice coil group, in the shape of a radiating dome dust cap, which is acoustically active. In most speaker drivers, the construction of this dust cap is relatively acoustically inert. Comes in the form of a small cone, claimed to improve dispersion at higher frequencies..
  • Has good low frequency and high frequency response - leave lower frequencies for subwoofers or special cabinet designs to handle/boost low frequency boost. Full range with good sensitivity (low frequency) and a light voice coil (high frequency) - these speakers usually use stronger magnets than usual, which increases sensitivity which reduces power requirements at low frequencies as well as allowing for a lighter voice coil..
  • The core has a copper ring that reduces third harmonic distortion by eliminating the generation of induced currents in the pole pieces. Also allows to implement the system according to the configuration "Mid-Treble-Mid", "Low-Mid-Treble" or possibly "Twin Peaks". It is equipped with a paper me....
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(2) Mackie MR524 5 Powered Studio Monitors+10\ Active Sub+Mic+Mount+Stands+Pads

  • ...ped Speaker. Designed for superior mix translation and accuracy for professional results in any studio. Equipped with Mackies proven logarithmic waveguide design. Ultra-wide dispersion for enhanced stereo imaging and listening sweet spot. Precise acoustic alignment offers incredibly balanced sound across the entire frequency spectrum. 1 silk dome tweeter provides fast transient response for detailed high end and vocal clarity.
  • 5 polypropylene woofer delivers responsive, dynamic low frequency response. 50 watts of bi-amplified Class A/B amplification. Frequency response: 45 Hz 20 kHz. Optimize MR monitors for your mixing environment. Adjustable acoustic space filters maintain flat response in typical placement configurations. HF filter applies boost or cut to compensate for particularly dull or bright sounding rooms. Professional all-wood cabinet design built to last and look great in any studio.
  • Custom designed internal bracing adds stiffness for reduced distortion and enhanced low frequency response. Flexible inputs for simple connection to almost any audio source. Acoustically optimized with sound-tightening acoustic absorption material. Add the companion MRS10 studio subwoofer for powerful, deep low frequency extension perfect for electronic music, ....
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YoBuyBuy 5800W DC12V Electric Fish Shocker Stunner Inverter Electro High Power Fisher Tilapia Fishing Machine

  • 1. Protection: it has short-circuit protection. reverse polarity protection and waterproof protection..
  • 2. High power and low energy consumption: with high power and low energy consumption and excellent results. the use of frequency conversation electronic technology..
  • 3. Full current limiting protection: intelligent pulse. high frequency or low frequency regulation. can be adjusted according to the need to adjust the frequency of electric field size..
  • 4. Easy to carry: with suitable size and suitable weight. this inverter is easy and convenient to use..
  • 5. Material: this inverter is made of good material. which is durable and useful..
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MC14046BCP Phase Lock Loop (PLL) IC 1.9MHz 1 16-DIP (0.300\

  • ...gnal-input amplifier and a common comparator input..
  • Very low power consumption: 70 µW (typ.) at VCO, VCO inhibit control for ON-OFF keying and ultra-low standby power consumption fo = 10 kHz, VDD = 5 V, Source-follower output of VCO control input (Demod. output), 100% tested for quiescent current at 20 V.
  • Operating frequency range up to 1.4 MHz (typ.) at VDD = 10 V, RI = 5 k, High VCO linearity: 003c1% (typ.) at VDD = 10 V, 5-V, 10-V, and 15-V parametric ratings.
  • Low frequency drift: 0.04%/°C (typ.) at VDD = 10 V, Choice of two phase comparators: Exclusive-OR network (I) Edge-controlled memory network with phase-pulse output for lock indication (II), Zener diode to assist supply regulation, Standardized, symmetrical output characteristics, Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices".
  • A Versatile Building Block for Micropower Digital and Analog Applications, Example Applications: FM demodulator and modulator, Frequency synthesis and multiplication, Frequency discriminator, Data synchronization, Voltage-to-frequency conversion, Tone decoding, FSK - Modems, Signal conditioning,.
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KWD808-I Stimulator Machine 50Hz Electric Acupuncture Stimulator Massager Machine 6 Channels Outputs Patch Massager Care Device 100-240V Pulse Electrotherapy Acupuncture Instrument

  • ✅【SPECIFICATIONS】Output pulse circuit: 6 outputs. Input power: .
  • The fuse is slow-blow at 0.5A. Output pulse frequency: 1.2Hz~55Hz, the error range is ±30% continuously adjustable. Output pulse width: 0.6±0.15ms. Power supply voltage scope: AC 110~240V, 50Hz.
  • DC 9V+5%, 9V-10%. Atmospheric pressure range: 500hpa to 1060 hpa. Size: 21.7cmx16.7cmx7.5cm, weight: 1390g..
  • ✅【ADJUSTABLE FREQUENCY INTENSITY】The frequency and intensity can be adjusted. Adjustable sensitivity probe point locator. 6 outputs, plus 1 detection socket..
  • ✅【5 KINDS OF PULSE WAVES】There are 5 kinds of pulse waves to choose from: continuous wave, dense dispersive wave, discontinuous wave, ripple wave, breathing wave, with a wide range of functions..
  • ✅【OPERATION OUTPUT PROTECTION】The device outputs pulses, and the treatment is very safe and efficient. A wave with low voltage, low frequency, and the same frequency range as the human body. It has the characteristics of low voltage, low frequency, two-way, etc. The operation output protection device is particularly safe to operate and safe to use..
  • ✅【PROFESSIONAL SERVICE】If you have any questions or if you receive unqualified or damaged products, please contact us timely and we will handle them immediat....
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Martin Logan - ElectroMotion ESL - Hybrid Electrostatic - Each - Black

  • High frequency transducer: XStat CLS electrostatic transducer.
  • Low frequency driver : 8" high excursion, high-rigidity doped fiber cone with extended throw drive assembly, non-resonance asymmetrical chamber format.
  • MicroPerf panel is housed within a radical aluminum and composite AirFrame.
  • Proprietary Vojtko topology filter utilizing custom air core coil and low DCR steel laminate inductors, polyester film capacitors in series, and low DF electrolytic capacitors in parallel.
  • Recommended amplifier power: 20-300 watts per channel, Crossover frequency: 500 Hz.
  • Convenient push-style speaker terminals for bare wires, pins, or bananas, Sturdy, 1/4-20 ETC spikes.
  • Frequency response: 42 - 22,000 Hz ±3 dB, Dispersion: 30-degrees x 34" line source, Sensitivity: 91 dB/2.83 volts/meter.
  • Nominal Impedance: 6 Ohms, 1.6 @ 20 kHz, compatible with 4, 6, or 8 ohm rated amplifiers.
  • Weight: 35.5 lbs. each, Dimensions: 52.1" high, 9" wide, 16.3" deep.
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