Top High Frequency Board Reviews

KZ ZS10 Pro, Linsoul 4BA+1DD 5 Driver in-Ear HiFi Metal Earphones with Stainless Steel Faceplate, 2 Pin Detachable Cable (Without Mic, Black)

  • Upgraded 4BA+1DD Hybrid Earphones&Magnetic Dynamic Unit. As an upgraded version of KZ ZS10, the Pro features self-customized balanced armatures which includes two 30095 drivers for high frequency, two 50060 drivers for mid frequency. With this configuration, the sound is transient, dynamic and bright in all respects. While maintaining the previous performance, the high frequency of this model is extended to beyond 40kHz. It also adopts the second generation Tesla double magnetic dynamic unit.
  • Exquisite Craft. The faceplate is made of 304 stainless steel while the cavity is made from imported resin. The two different material not only presents an elegant look and shimmer but also be practical and durable. The detachable gold-plated 2 pin cable offers fully upgradability and the limit slot protection design greatly avoids the pin from breaking and prolongs the service life of the interface.
  • PCB Frequency Dividing Board. The PCB board is added to give full play of all the drivers, displaying a smooth, sensible, detailed music experience. The ZS10 Pro overall has dynamic low frequency and bright resolution. It fully reflects the cohesion of balanced armatures.
  • Ergonomic Design&Noise Canceling . The cavity is made based on large data of cochlea. It’s scien....
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YaeCCC 1000W Car Audio High Power Amplifier Amp Board Powerful Bass Sub woofer Board 12V

  • 1000W Mono Car Audio High Power Amplifier Amp Board..
  • Strong heat dissipation power drawing technology is compact..
  • High efficiency, wide frequency, high tone quality..
  • 12V 1000W car audio amplifier board provide a wonderful in-car entertainment..
  • With current , overload and short circuit protection..
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KZ ZS10 Pro, Linsoul 4BA+1DD 5 Driver in-Ear HiFi Metal Earphones with Stainless Steel Faceplate, 2 Pin Detachable Cable (Without Mic, Dark Black)

  • Upgraded 4BA+1DD Hybrid Earphones&Magnetic Dynamic Unit. As an upgraded version of KZ ZS10, the Pro features self-customized balanced armatures which includes two 30095 drivers for high frequency, two 50060 drivers for mid frequency. With this configuration, the sound is transient, dynamic and bright in all respects. While maintaining the previous performance, the high frequency of this model is extended to beyond 40kHz. It also adopts the second generation Tesla double magnetic dynamic unit.
  • Exquisite Craft. The faceplate is made of 304 stainless steel while the cavity is made from imported resin. The two different material not only presents an elegant look and shimmer but also be practical and durable. The detachable gold-plated QDC cable offers fully upgradability and the limit slot protection design greatly avoids the pin from breaking and prolongs the service life of the interface.
  • PCB Frequency Dividing Board. The PCB board is added to give full play of all the drivers, displaying a smooth, sensible, detailed music experience. The ZS10 Pro overall has dynamic low frequency and bright resolution. It fully reflects the cohesion of balanced armatures.
  • Ergonomic Design&Noise Canceling . The cavity is made based on large data of cochlea. It’s scienti....
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Jameco Valuepro 830-Point Solderless Breadboard 6.5 x 2.125 0.1 spread Ideal for Prototyping and Classroom Projects - WBU-202-R

  • Prototyping made easy: A reusable construction base for prototyping of electronics. Also commonly referred to as a plugboard or terminal array board..
  • Easy Identification: Pins are identified by numnbered rows and columns making working more efficient and less stressful..
  • 0.1 inch spread: The holes in this breadboard are spaced 0.1" which is the most common spacing for breadboards to accommodate standard DIP components..
  • Suited for analog and low frequency circuitry: The breadboard has strips of metal sockets which run underneath the board, yellow rectangles, and....
  • Educational environment: Ideal for STEM projects and classroom atmospheres as it promotes learning and testing. Ideal for high frequency and low noise....
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Jameco Valuepro 3220-Point Solderless Breadboard 7.3 L x 7.5 W 0.1 Spread Ideal for Prototyping and Classroom Projects - WBU-208-R

  • Prototyping made easy: A reusable construction base for prototyping of electronics. Also commonly referred to as a plugboard or terminal array board..
  • Easy Identification: Pins are identified by numnbered rows and columns making working more efficient and less stressful..
  • 0.1 inch spread: The holes in this breadboard are spaced 0.1" which is the most common spacing for breadboards to accommodate standard DIP components..
  • Suited for analog and low frequency circuitry: The breadboard has strips of metal sockets which run underneath the board, yellow rectangles, and....
  • Educational environment: Ideal for STEM projects and classroom atmospheres as it promotes learning and testing. Ideal for high frequency and low noise....
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Jameco Valuepro 2390-Point Solderless Breadboard 6.9 L x 5.8 W 0.1 spread Ideal for Prototyping and Classroom Projects - WBU-206-R

  • Prototyping made easy: A reusable construction base for prototyping of electronics. Also commonly referred to as a plugboard or terminal array board..
  • Easy Identification: Pins are identified by numnbered rows and columns making working more efficient and less stressful..
  • 0.1 inch spread: The holes in this breadboard are spaced 0.1" which is the most common spacing for breadboards to accommodate standard DIP components..
  • Suited for analog and low frequency circuitry: The breadboard has strips of metal sockets which run underneath the board, yellow rectangles, and....
  • Educational environment: Ideal for STEM projects and classroom atmospheres as it promotes learning and testing. Ideal for high frequency and low noise....
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Padyrytu 400W Speaker Crossover 2 Way High-Low 4-16 Ohm Frequency Divider for Speaker 304142, motherboard red

  • Professional High-quality Crossover：This is a professional frequency divider, which is widely installed in the speaker. Playing an important role of the total frequency signal segmentation. Treble and bass dual frequency support, helps to transmit the treble signal to the tweeter unit, and divide the bass signal into subwoofer unit.
  • Perfect HIFI Sound Quality：Make the treble clear and increase the intensity of the bass, freely enjoy clear and natural music.To separate the mixed audio signal into a treble, bass, and then were sent to the corresponding treble, bass speaker unit in playback, resulting in enhance the sound quality purposes.
  • High Quality and Super Durability: wire wound ceramic resistor and high-quality metal film capacitors, ensure its large load power, long-term durability, never burnout.Large capacity, reasonable design, beautiful appearance, circuit board design with precise cutouts and lines, free for welding, very suitable for DIY.
  • Treble and Bass dual Frequency Dividing: It can be used in a wide range. It can be used with tweeter + bass two-way frequency speakers, 2.1 mid-high-range small satellite boxes and car full-range speakers, and can also use single-use treble or single-use bass. Speaker impedance of 4-16 ohms can be used, ....
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DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board 50W+50W+100W (Bluetooth Amp),Bluetooth Amp

  • tpa3116 amplifier 100W Subwoofer Amplifier Board.
  • Frequency response range: input: 20 hz - 20 KHZ, output: 20 hz - 180 hz.
  • tpa3116 2x50w amplifier board Operating voltage range: DC 12-24V(maximum voltage is no more than 24V).
  • This is a pre-amplifier, bass frequency processing, with bass volume potentiometer control of the bass amplifier board..
  • bluetooth amplifer board DC 12-24V power supply, wide operating voltage, power-saving design, more than 90% power efficiency. Maximum support 100W (Bass) bass channel output.
  • Speaker impedance: bass speaker impedance: 2-8 ohm.
  • You can use a good switching power supply adapter, laptop switching power supply, Here is our 24V power diy amplifier.
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KZ ZS10 Pro Earbuds Headphone, KZ in Ear Monitor IEM HiFi Earphone with 5 Driver 4BA 1DD with Detachable 0.75mm 2 Pin Cable for Singer Musician Drummer (Purple No Mic)

  • 5 Drivers KZ ZS10 Pro Upgrade Version of ZS10: The KZ ZS10 Pro has 4 balanced armature drivers and 1 piece Second Generation 10mm double magnetic dynamic driver, the bass range has improved much compared with former ZS10 model. Mid range 50060 balanced armature and 30095 high frequency armature driver bring much brighter definition on music..
  • Upgrade Detachable 2Pin Cable Design of KZ ZS10 Pro: Newest protective 2 pin design on this KZ earphone, effectively protect the insertion pin from breaking and prolong the using time. 0.75mm 6N OFC cable with gold plated standard 3.5mm jack design, provides better sound quality signal transmission..
  • Separate PCB Frequency Crossover Board: Separate electric frequency crossover board and acoustic structure on this KZ ZS10 Pro headphone, let the sound of this earphone become clearer and smooth, fully showed the advantage of each driver..
  • Durable 304 Stainless Steel Penal: KZ ZS10 pro monitor headphone uses the 304 stainless steel shell and resin as the major structure material, provide this KZ IEM Headset more durability feature and fashionable appearance..
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KZ ZS10 Pro 4BA 1DD KZ Headphone Multi Driver HiFi Monitor, KZ in Ear Earphoner IEM with All in One Button (Black with Mic)…

  • 5 Drivers KZ ZS10 Pro Upgrade Version of ZS10: The KZ ZS10 Pro has 4 balanced armature drivers and 1 piece Second Generation 10mm double magnetic dynamic driver, the bass range has improved much compared with former ZS10 model. Mid range 50060 balanced armature and 30095 high frequency armature driver bring much brighter definition on music..
  • Upgrade Detachable 2Pin Cable Design of KZ ZS10 Pro: Newest protective 2 pin design on this KZ earphone, effectively protect the insertion pin from breaking and prolong the using time. 0.75mm 6N OFC cable with gold plated standard 3.5mm jack design, provides better sound quality signal transmission..
  • Separate PCB Frequency Crossover Board: Separate electric frequency crossover board and acoustic structure on this KZ ZS10 Pro headphone, let the sound of this earphone become clearer and smooth, fully showed the advantage of each driver..
  • Durable 304 Stainless Steel Penal: KZ ZS10 pro monitor headphone uses the 304 stainless steel shell and resin as the major structure material, provide this KZ IEM more durability feature and fashionable appearance. All In One Button - No Volume Control: ....
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CW QRP Shortwave Radio Kit - CW Transceiver Shortwave Radio Kit

  • The patch device of the main control board has been pre welded and connected to the base plate in the form of stamp hole. The single chip microcomputer adopts pic16f1938, builtin PLL local oscillator, supports crystal oscillator calibration setting, and has its own frequency indication circuit (Seven Segment LED nixie tube is used, the display unit is 1kHz, the photo has color difference, and the actual color is red. The working frequency covers 7.000-7.100mhz, 1kHz or 100Hz steps )..
  • Ta2003 mixer is used for reception, and crystal filter is used for if. After ta2003 multiplication detection, the sound size is adjusted by digital potentiometer and sent to audio active filter circuit. Finally, LM386 drives speaker, and if frequency supports calibration setting..
  • Use 3 bs170 parallel outputs, class E amplification, 12V power supply, output power 5W! Relay switching is used for transceiver, with the function of transmitting delay adjustment to avoid frequent relay switching and improve the isolation of transceiver channel..
  • It has the function of automatically sending call signs, which is very convenient to use. The MCU uses the original code of our store, which can adjust the code speed, sidetone frequency and sidetone size. It can input the call sign by ....
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KZ ZS10 Pro in Ear Monitor Earbuds Headphone, HiFi KZ Earphone with 4BA and 1DD Drivers, KZ Upgraded ZS10 Pro with Detachable 0.75mm 2 Pin 6N OFC Cable (Black No Mic)

  • 5 Drivers KZ ZS10 Pro Upgrade Version of ZS10: The KZ ZS10 Pro has 4 balanced armature drivers and 1 piece Second Generation 10mm double magnetic dynamic driver, the bass range has improved much compared with former ZS10 model. Mid range 50060 balanced armature and 30095 high frequency armature driver bring much brighter definition on music..
  • Separate PCB Frequency Crossover Board: Separate electric frequency crossover board and acoustic structure on this KZ ZS10 Pro headphone, let the sound of this earphone become clearer and smooth, fully showed the advantage of each driver..
  • Upgrade Detachable 2Pin Cable Design of KZ ZS10 Pro: Newest protective 2 pin design on this KZ earphone, effectively protect the insertion pin from breaking and prolong the using time. 0.75mm 6N OFC cable with gold plated standard 3.5mm jack design, provides better sound quality signal transmission..
  • Durable 304 Stainless Steel Penal: KZ ZS10 pro monitor headphone uses the 304 stainless steel shell and resin as the major structure material, provide this KZ IEM more durability feature and fashionable appearance..
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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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