Top High Frequency Preheater

KZ EDA Dynamic Driver Earbuds Combos,3 in 1 in Ear Monitor Wired Phone Earphones Headphones, HiFi Music IEM Headsets with Removable Cord Without Mic

  • THREE PAIRS OF EARBUDS – KZ EDA dynamic driver earphones combos set is tuned by KZ accoustic team many times for the outstanding sound quality. The price of one set of KZ EDA in ear headphones is equal to three pairs of earphones and three music styles to meet your listening needs. The low-frequency dynamic performance is excellent, the mid-high frequency is upgraded, and the three-frequency connection is smooth..
  • THE GOLD EARBUDS WITH EXTRA BASSY SOUND – Focus on optimizing the mid-lows, making the bass strong and elastic. Deep dive, strong and powerful drum beats, excellent low frequency transient performance, suitable for DJ and songs with heavy metal rhythm. The magnetic gap of 0.15MM brings stronger output performance, lower distortion rate, and more realistic restoration of sound..
  • THE SILVER EARBUDS WITH BALANCED SOUND – Referring to the Harman curve, the three-frequency is balanced and powerful, the vocals are clear and sweet, the low-frequency dives and the high-frequency is transparent, and the sound texture is strong, suitable for pop music and other genres. Customized 0.035MM diameter high tension voice coil wire makes the vibration frequency more stable and efficient..
  • TRANSLUCENT CYAN WITH HIGH-RESOLUTION SOUND – On the basis of ex....
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HiFiGo LETSHUOER x GIZAUDIO Galileo Dual-Driver Hybrid in-Ear Monitor, 10mm Dynamic Driver + Balanced Armature Unit IEMs in-Ear Earphones (4.4mm Plug)

  • Precise & Reliable 3D Printed Acoustic Cavity Structure: The acoustic cavity structure of Galileo earphones is designed with high-precision 3D printing technology. The complex acoustic cavity is molded with resin materials simultaneously to achieve more accurate physical frequency division..
  • Synthetic resin panel from the starry sky: Galileo uses an ink-painted synthetic resin panel, with azure blue, dark brown, and silver-white complementing each other as if the Milky Way and stars are fixed in it. With the surface treatment of actinic resin, each earphone has a unique brilliance flow, which is as eye-catching as the twinkling stars..
  • 10mm liquid silicone & Al-Mg Alloy Dynamic Driver + Sonion 2389 balanced armature + electronic independent dual-frequency crossover: In order to meet the pursuit of excellent sound performance, Galileo houses a 10mm liquid silicone + Al-Mg alloy dynamic driver unit and a Danish Sonion 2389 balanced armature driver unit as the core configuration. The pair is designed with an independent electronic frequency division and cavity for each driver unit. The tube ensures a precise sound phase and extremely low distortion in the outpu....
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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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YWBL-WH AC Round Frequency Meter LED Digital Display Hz Frequency Indicator Light

  • MAIN FEATURE---Produce Name: LED Hz Indicator.
  • Applicable: circuit frequency measurement.
  • 20-75Hz MEASUREMENT RANGE---The AC frequency meter is of wide measurement of 20-75Hz.
  • HIGH ACCURACY---The AC frequency meter is of high accuracy of ±2%, helping to provide you reliable data.
  • CLEAR DISPLAY---Made of high quality material, the AC frequency meter is of clear display, exquisite workmanship, long service life, and stable working performance.
  • 5 COLORS---The AC frequency meter is of 5 different colors, red, white, blue, green,yellow, you can choose one according to your preference.
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OCESTORE Crystal Oscillator Tester Frequency Counter Tester Meter 1Hz-50MHz Cymometer Measurement Tester Module LED DIY Kit

  • 【OPTIMAL PERFORMANCE】OCESTORE premium upgrade Frequency Counter Tester Meter based on PICmicrocontroller that can measure frequency of 1 Hz to 50 MHz,designed to measure the oscillation frequency of the most crystal oscillators..
  • 【HIGH QUALITY】OCESTORE premium Frequency Counter Tester Meter is made of high quality material which can use for a long time.Programmable addition and subtraction frequency settings, used to measure radio transceivers and other equipment..
  • 【SUPER IMPORTATNT】with crystal oscillator measurement function and programmable addition and subtraction frequency settings, five-digit digital tube display, convenient and intuitive, all use in-line components, simple circuit, easy to make..
  • 【OPTIMAL RELIABILITY】Power supply : USB 5V or DC 5-12V.
  • Crystal Test Range: about 4MHz-48MHz.Automatic range conversion, no need for manual switching.
  • All in-line components, easy to install and debug..
  • 【PACKAGE & SERVICE】Package Include: 1 Pcs x Crystal Oscillator Frequency Counter .Any question Pls fell free to contact us, we will reply you within 24H.And we offer a 12 month warranty..
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JBL Professional JRX215 Portable 2-way Sound Reinforcement Loudspeaker System 15-Inch

  • Progressive Transition high frequency waveguide provides superior coverage control, reduced distortion, and smoother frequency response.
  • The rugged, acoustically superior enclosure uses advanced adhesives and mechanical fastener technology for extreme durability and improved....
  • High-voltage capacitors and inductors with massive cores and heavy gauge wire enable the crossover network to handle high power without saturating.
  • JBL 2414H-C 1" polymer diaphragm compression driver improves high frequency performance as well as system reliability.
  • JBL 15" low frequency driver with a 2.5"-diameter edge wound ribbon voice coil for greater efficiency and power handling.
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YUCHENGTECH Ionizing Air Blower Static Eliminator Anti Static Fan HFAC ESD Ionizer Fan Anti Static Blower (110V)

  • 1.【High-frequency AC】◈ Frequency up to 68000Hz, with high ion density, and better effect of removing static electricity. (Traditional Low Frequency: 50 / 60Hz)..
  • 2.【Upgrade dual cleaning function】◈ With automatic cleaning and manual cleaning function, built-in cleaning brush, set cleaning time, can clean automatically.
  • needle seat can be disassembled freely, also can be cleaned manually, convenient for maintenance..
  • 3.【Fast to remove static】◈ Ionizing air blower adopts high frequency technology, with large air volume, widely air flow coverage area and high efficiency electrostatic removal..
  • 4.【Tungsten Alloy Ion Needle】◈ Compared with ion needles of other materials, tungsten alloy ion needles contain tungsten up to 99% and have good ion balance, quickly neutralize static electricity,the service life can reach 20000 hours..
  • 5.【Ionizing Air Blower】◈ Discharge Time: .
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(2) JBL JRX215 1000w 15" DJ P/A Speakers+(2) 18" 1400w Subwoofers+Powered Mixer

  • ...X218S 1,400 Watt 18" Inch Compact Passive Subwoofer DJ Sub. (2)RockvilIe RSP36 36" Mounting Pole from Subwoofer to Speaker, Heavy Duty Steel. (1)RockvilIe RPM1470 14 Channel 6000w Powered Mixer w/USB, Effects/14 XDR2 Mic Pres. : JRX215 15" Two-Way Sound Reinforcement Loudspeaker System. JBI 15 in low frequency driver with a 64 mm (2.5 in) diameter edge wound ribbon voice coil.
  • JBI 2414H-C 25 mm (1 in) polymer diaphragm compression driver. Advanced network topology crossover design. High-voltage capacitors and inductors with massive cores and heavy gauge wire. Progressive Transition high frequency waveguide. 19 mm (.75 in) MDF (Medium Density Fiberboard) enclosure. SonicGuard protects the high frequency driver from excess power without interrupting the performance. Non-resonant, all-steel handles.
  • 18-gauge hexagon perforated, steel grille Dual-angle pole-mount socket allows the speaker to tilt 10. Details: Power Rating : 250 W / 1000W. Frequency Range (-10 dB) : 41 Hz - 18 kHz. Frequency Response (3 dB) : 59 Hz - 13 kHz. Sensitivity (1w/1m) : 99 dB SPL. Nominal Impedance : 8 ohms. Recommended Amplifier Power : 250 W to 500 W into 8 ohms. Maximum SPL: 1....
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PRV AUDIO 4 Inch Midrange Speaker 4MR60-4, 60 Watts Program Power, 4 Ohm, 30 Watts RMS Power Pro Audio Loudspeaker (Single)

  • HANDLES IT ALL: The 4MR60-4 full range speaker delivers broad frequency coverage and flat midrange response that ensures vocals and instruments to deliver ideal sound..
  • EXTENDED FREQUENCY RESPONSE: The 4″ midrange speaker 4MR60-4 is a pro audio midrange with very high sensitivity and a smooth extended frequency response up to 8 kHz.
  • COMPACT: The small dimensions and high output make it very useful to use in compact line array systems as a transition between the mid bass and high frequency way..
  • DESIGNED FOR EFFICIENCY: Each material and component such as the woven fiber glass cone, large spider, and rubber surround is carefully chosen to ensure a great sound quality and low distortion, it even operates at high power..
  • UPGRADE TODAY, HEAR THE DIFFERENCE: The 4MR60-4 even operates at high power. It is also applicable in home theaters, satellites, and surround speakers as well as in car audio when you are limited in space and require extended frequency response..
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AC Frequency Meter LED Digital Display 20-75 Hz Signal Ac Hz Frequency Indicator Light ST16HZ Round Red White Blue Green Yellow (Blue)

  • MAIN FEATURE---Produce Name: LED Hz Indicator.
  • Applicable: circuit frequency measurement.
  • 20-75Hz MEASUREMENT RANGE---The AC frequency meter is of wide measurement of 20-75Hz.
  • HIGH ACCURACY---The AC frequency meter is of high accuracy of ±2%, helping to provide you reliable data.
  • CLEAR DISPLAY---Made of high quality material, the AC frequency meter is of clear display, exquisite workmanship, long service life, and stable working performance.
  • 5 COLORS---The AC frequency meter is of 5 different colors, red, white, blue, green,yellow, you can choose one according to your preference.
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High Frequency Machine, APREUTY 7 in 1 Portable Handheld High Frequency Wand Machine with 3 Pcs Neon & 4 Pcs Argon Wands

  • PACKAGE LIST: 1x High Frequency Handle,1x Argon powered tongue wand, 1x Argon powered bend wand, 1x Argon powered wand with Tungsten, 1x Argon powered roller wand with Tungsten,1x Neon powered mushroom wand, 1x Neon powered Y-shape wand, 1x Neon powered comb wand with Tungsten and 1x English Manual..
  • 7 in 1 HIGH FREQUENCY WAND SET: The high frequency machine comes with a total of 7pcs glass wand(3 Neon Gas Orange and 4 Argon Gas Violet Electrodes Attachments), and the 7-in-one set can meet your requirements at one time..
  • EASY to USE: Insert the desired glass wand into the high frequency machine handle, gently push in the electrode and it should just snap in to place. Then turn the high frequency machine down to a zero level and turn it on..
  • PORTABLE and EASY to CARRY: All accessories are in a gift box, easy to carry..
  • IDEAL GIFT CHOICE: Suitable as a birthday, holiday gift for mom, girlfriend, friend, etc. It is also one of the ideal choices for Mother’s Day gifts..
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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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