Best Low frequency Range

Rockville RWM1203VH VHF Wireless Dual Handheld Microphone System/Digital Display

  • ... dual filter design to limit feedback and interference. Ultra signal stability eliminates unwanted distortion..
  • Transmitter automatically links to receiver for ease of use. Use two handheld mics at once. Individual microphone volume controls. Low power consumption for longer battery life..
  • System comes in 4 different frequency options. You can request a specific one in the notes, A. 255. 1/227. 1 MHZ , B. 224. 9/256. 9 MHZ, C. 228. 9/253. 4 MHZ, D. 230. 8/255. 8 MHZ.
  • Operating Range: 150 feet or more. Channel: Two Channel. Frequency Range: 210MHz - 270MHz. Frequency Response: 40Hz-18KHz. S/N. : 003e103dB (1KHz-A)..
  • Operating Temp: 14° F 122° F. Oscillation Mode: Quartz Crystal. Frequency Stability: ± 0. 005%. Modulation Mode: VHF. Harmonic Radiation : 003c 63dBm..
  • RF Output Power: 10mW. Power Voltage: AC110V- 60Hz. Mic Battery: AA x 2. Sensitivity: (S/N=30dB) 003e2mV. Audio Output Impedance: 600Ω . Audio Output Level. : 0-0. 5V..
  • Power Supply: AC110V 60Hz. Current Consumption: ≤ 50mA. Audio Out Connector: 1/4" unbalanced. Transmitter: Frequency Stability: ± 0. 005%. RF Output Power: ≤ 10mW..
  • Modulation Mode: VHF. Maximum Deviation Range: ± 50KHz. Microphone Mode: Fixed. Power Supply: AA/1. 5V× 2. Current Consumption: ≤ 35mA..
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Ryan's DIY Dancing Slime!

  • 3 Way Bookshelf Speakers - Adopts three-way fourth-order speaker system reverse-phase design, with a luxurious and elegant appearance, high-end components included easy to set up and more stable excellent performance..
  • Low Frequency - 6.5-inch large-diameter mid-bass unit L6-4R. Its diaphragm is made of all-black Kevlar fibre, an ultra-light and high-strength integrated composite material, a fatigue-resistant long-stroke rubber diaphragm folding ring, a highly compliant centering support piece, a unique magnetic circuit system with phase plug design, and a large magnetic steel drive unit..
  • The mid-range unit uses a professional DN Series soft dome mid-range unit, with a high-quality diaphragm coated on the outside with a special damping material, and an independent dome mid-range unit to avoid the mid-range defect caused by the connection of the two frequency bands. The sound is sweet, natural and smooth..
  • The high-frequency units use isodynamic ribbon tweeters with ultra-high resolution and a delicate, bright sound..
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CDM324 Microwave Module, 24GHz 15m Doppler Radar Smart Microwave Body Induction Module Single Channel Switch Intelligent Sensor Module

  • 【Contactless】 Non-contact detection, moving object detecting. Using Doppler radar technology, Compared with the traditional infrared feeling PIR, with the penetrating detection capability..
  • 【Wide application】 This frequency sensors module's transmitting frequency is 24GHZ, can be widely applied in business, industries, word controlling etc.This is a microwave sensor module for detecting moving objects and human body. Widely used in human body sensing lighting system, anti-theft alarm system..
  • 【Parameter】 Advanced low consumption PHEMT oscillator, Provide various frequency range standards: -UK,-F,Operating Temperature:-20~60℃..
  • 【Independence】Independent transmitting and receiving route, can get the big gain. The module has many advantages such as high sensitivity, long sensing distance, wide sensing angle, high reliability, wide range of operating voltage..
  • 【High performance】 Single channel operation. High sensibility, high flexibility, low cost, operating distance is 15m. Not influenced by temperature, humidity, noise, air flow, dust, ray etc, adaptive to terr....
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(2) JBL Pro JRX212 12\ 2000w Professional Passive PA/DJ Speakers 8 Ohm JRX 212

  • Features: JBI Pro JRX212 12" 1000 Watt 8 Ohm Passive PA/DJ Speaker. JBI 12 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. Specifications: Power Rating : 250 W / 1000 W. Frequency Range (-10 dB) : 60 Hz - 20 kHz. Frequency Response (3 dB) : 80 Hz - 18 kHz.
  • Sensitivity (@1m) : 98 dB SPL (1w/1m). Nominal Impedance : 8 ohms. Recommended Amplifier Power : 250 W to 500 W into 8 ohms. Maximum SPL : 128 dB. Nominal Dispersion : 90 x 50. Crossover Frequency : 2.1 kHz. Dimensions (H x W x D) : 584 mm x 399 mm x 325 mm (23 in x 15.7 in x 12.8 in).
  • Weight : 19.5 kg (43 lb). High Frequency Driver : JBI 2414H-C 1" exit compression driver mounted on Progressive Transition Waveguide. Low Frequency Driver : JBI M....
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Planet Audio BBD2500 Class D Car Amplifier – 2500 Watts, 1 Ohm Stable, Digital, Monoblock, MOSFET Power Supply

  • Power: 2500 watts max X 1 @1-ohm, 1250 watts max X 1 @2-ohms, 625 watts max X 1 @4-Ohms.
  • Class D: power loss is significantly reduced making the amplifier highly efficient. Excess energy is stored until it’s needed instead of being converted into heat. Reduction in size/weight, reduced power waste, smaller heat sink, compact circuitry.
  • 1 ohm stable: able to continuously power loads of 1 ohm without encountering difficulties such as overheating. Typically made to power up subwoofers that demand the heavier power load requirements to be able to perform the way they were made to.
  • Variable subsonic filter: to prevent your subwoofer(s) from bottoming out, the variable subsonic filter filters out frequencies below the subwoofer(s) specified low frequency limits and allows the driver to reach a maximum safe excursion.
  • Variable low-pass crossover: subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction.
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High Speed Comparator High Speed Frequency Meter Front Shaping Comparator for Low-Voltage Applications Conversion Circuit

  • LOW VOLTAGE APPLICATIONS -- The input common mode range is better than the swing input, which is very suitable for low voltage applications..
  • APPLICATION -- Digital module can be used for wide voltage range and periodic signal shaping..
  • FRONT END ADJUSTMENT -- Used as a front end conditioning module in time domain measurements for frequency and phase difference..
  • PARAMETER -- The input voltage is 10 to 1000mV, the input frequency is about 200MHz DC, and the input impedance is 50 ohms..
  • RAIL TO RAIL OUTPUT -- The output level mode is rail to rail output, which can directly drive TTL / CMOS level..
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JBL Professional LSR310S -Channel Studio Subwoofer 10-Inch Black

  • This patented JBL slip stream port design works in concert with the LSR310S low frequency driver for deep, dynamic bass response at all playback levels..
  • A JBL first, the XLF setting activates a specially-engineered tuning that emulates the ample bass tuning used in today's dance clubs..
  • The custom-designed driver in the LSR310S delivers deep low frequency response into the 20 Hz region, and 113 dB peak output, for long periods at full rated power with no risk of failure.
  • With balanced XLR and 1/4-inch inputs and XLR outputs you can add the LSR310S to any Studio monitor system to extend its low frequency performance.
  • The -10Dbv/+4 dB sensitivity switch ensures compatibility with a broad range of signal sources, allowing you to connect the LSR310S to high-output professional equipment without any danger of input overload. Maximum peak input level: +20. 3 dB.
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Mcbazel Surecom SW-102 Digital VHF/UHF 125-525Mhz Antenna Power & SWR Meter

  • VSWR. Forward and reflected power direct digital readout, without any calibration. NOTE: DOES NOT compatible with Digital Radio..
  • Maximum measurable power range up to 120W..
  • Low insertion loss (0.3 decibels or less) structure allows it to be permanently connected..
  • Build in Frequency country . Interface: N-J Interface.
  • Frequency range: 125 - 525MHz. NOTE: ground plate is NOT included..
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Chunzehui 2048Hz ~ 0.00049Hz(1/2048Hz) Extremely/Super Low Frequency Square Wave Oscillator Module, Square Wave Signal Generator. Total 22 Output Ports, at The Same time can Output 22 Frequencies.

  • 1/2048~2048Hz Extremely / Super Low Frequency Square Wave Oscillator Module..
  • Frequency Range: 2048 ~ 1/2048 Hz, total 22 output ports, at the same time can output 22 frequencies: 2048, 1024, 512, 256, 128, 64, 32, 8, 4, 2, 1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256, 1/512, 1/1024, 1/2048 Hz..
  • Operating Voltage: DC 3 ~ 15V, Operating Current (no load): 003c 10mA..
  • Frequency Accuracy: +/- 20 ppm. Output Duty Cycle: 50% ±5%, Operating Temperature Range: 0 to 70°C..
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QSC KS118 Active 18 Subwoofer

  • A very high output active subwoofer producing impressive low frequencies for mobile entertainment, AV production, clubs and performance venues.
  • Features an 18" direct radiating driver powered by a 3600W Class D amp, to deliver high SPL with dynamic and musical sound reproduction of very low frequencies.
  • On-board DSP optimizes and protects system performance as well as offers advanced capabilities such as the ability to array two units in a cardioid arrangement.
  • Highly transportable, the rugged enclosure features comfortable handles with a professional and elegant appearance in any application, plus four low noise casters.
  • An M20 threaded pole receptacle accepts a 35 mm pole for easy vertical deployment with full-range loudspeakers.
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