ReviewsDigital Frequency Gauge

(2) JBL JRX225 Dual 15\ Professional 4000w Passive DJ/PA Speakers 4 Ohm JRX 225

  • Features: JBI JRX225 Dual 15" 2000 Watt Passive DJ/PA Speaker. Dual JBI low frequency drivers with a 64 mm (2.5 in) diameter edgewound ribbon voice coil for greater efficiency and power handling. 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 : 500 W / 2000 W.
  • Frequency Range (-10 dB) : 42 Hz - 18 kHz. Frequency Response (3 dB) : 62 Hz - 13 kHz. Sensitivity (1w/1m) : 100 dB SPL. Nominal Impedance : 4 ohms. Recommended Amplifier Power : 500 W to 1000 W into 4 ohms. Maximum SPL : 133 dB. Nominal Dispersion : 90 x 50. Crossover Frequency : 2.2 kHz.
  • Dimensions (H x W x D) : 1092 mm x 464 mm x 432 mm (43 in x 18.3 in x 17 in). Weight : 42.6 kg (94 lb). High Frequency Driver : JBI 2414H-C , 1" exit compression driver mounted on Progressive Transition Waveguide. Low....
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Shure SLXD24D/SM58 Dual Channel Wireless Microphone System with 2 SM58 Handheld Mics

  • WIRELESS FREQUENCY BAND SELECtION: Before purchasing, please ensure that the wireless frequency band you select works in your area (refer to Shure website for details > search Shure Wireless Frequency Finder)..
  • WHAT'S IN THE BOX: (2) SLXD2 handheld transmitter with legendary SM58 cardioid dynamic microphone capsules and (1) SLXD4D dual-channel receiver, with antenna and rackmount accessories, (2) zippered bag and (4) AA batteries.
  • DIGITAL WIRELESS TECHNOLOGY: Digital predictive switching diversity. 44 MHz tuning bandwidth (region dependent). 32 available channels per frequency band (region dependent). Up to 10 compatible systems per 6MHz TV band.
  • 12 systems per 8 MHz band. RF Scan and IR Sync to quickly find an open frequency and link the transmitter to a SLX-D receiver. Easy pairing of transmitters and receivers over IR scan and sync..
  • BATTERY LIFE: Up to 8 hours from 2 AA batteries. Upgrade to the optional Shure SB903 Lithium-ion rechargeable battery to monitor battery charge status in hours and minutes, as well as battery life and health statistics..
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HDTV Digital DVB-T Indoor Antenna Repalcemnet UHF/VHF Dual Band Magnetic Base Antenna 10DB

  • [UHF/VHF DUAL FREQUENCY RECEPTION]The TV digital antenna has UHF/VHF dual frequency reception, plug and play, no power required..
  • [HIGH PERFORMANCE]The HDTV digital antenna is made of all-metal material and is windproof, rainproof and anti-jamming.
  • [THE EFFECTIVENESS RELATED TO LOCAL TELEVISION STATIONS]The number and effectiveness of indoor antenna reception stations is related to the number of radio stations transmitted by local television stations and the geographical location in which they are located.
  • [EASY TO INSTALL AND ADJUST]The HDTV digital antenna has robust structure, suction cup base, that is easy to install and adjust..
  • [HIGH-FREQUENCY HEAD FOCUS RECEIVING]The HDTV digital antenna has high-frequency head focus receiving, better effect..
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ALPINE S-A32F 320w RMS 4-Channel S-Series Car Audio Amplifier Class D+Amp Kit

  • ...2dB/oct ). Crossover: Variable HPF, 50-400Hz (-12dB/oct ). General.
  • Power Requirements: 14.4 V.DC (9 - 16 V allowable). Input Sensitivity (RCA Input): Hi: 0.5 - 10 V Lo: 0.2 - 4.0 V. High Level Input with automatic power on. Cable size: Power Cable AWG 8, SPK Cable AWG 10. Frequency Response (+0, -3dB: 1W into 4 ohms) for CH-1/2/3/4: 10Hz - 30kHz. THD+N (@ 10W into 4 ohms): 98dB. Weight: 1.9 kg. Dimensions. (W x H x D): 8" x 8" x 2.25". Features:.
  • RockvilIe RWK42 4 Gauge 4 Channel Car Amplifier Wiring Installation Kit. (2) 17 High Grade Twisted Pair of 100% Copper RCA Cable. 17 4 Gauge Translucent Blue SuperFlex Power Cables. 17 18 Gauge Blue Remote Cable. 17 16 Gauge Clear Speaker Wire. 3 4 Gauge Clear SuperFlex Ground Wire. Gold Plated AGU Heat Resistant Fuse Holder. 80 Amp AGU Gold Plated Fuse. 7 Split Tube Loom. Accessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets.
  • Soft abrasion proof insulating jacket allows for 100% improved flexibility. PVC outer jacket can with-stand an extreme temperature range of -40 to 220 degrees F.
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GemRed 82412 Mini Digital Level Angle Gauge Angle Finder Protractor Inclinometer Aluminum Framework with Magnet

  • ...gned with accuracy of ± 0.2° and the resolution is 0.1°. The measuring range: 0 to 360° (4*90°). Display unit: DEGREE only. It provides convenience in woodworking, construction, machinery, telecommunications, automobile etc. It is pre-calibrated in factory..
  • 【Strong Aluminum Framework&Magnetic Flat Base】The digital angle gauge applied sturdy aluminum alloy instead of plastic for the main framework. It’ll provide years’ usage.【Two Measuring Mode】①Checking the true level. ②Checking the relative angle between two surfaces..
  • 【Lower Power Reversible LCD Display with ERROR indicator】 The Digital Angle Gauge has a large LCD display with backlight, which only needs one battery for providing accurate, quick and clear measurements and even you can easily read in dark environment. If the digital angle gauge is used in an incorrect position (e.g. tilts diagonally over 30 degree), display will tell ERROR to make sure that use is getting the accurate measurement..
  • 【Easy Battery Installation】You can install battery easily and need no screwdriver. WIth only one AAA battery, the digital angle gauge works 50 hours averagely. *Automatic shut-off after 5 minutes..
  • 【Packing contains】Digital angle gauge*1, 1.5V Alkaline battery*1, storage pouc....
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2 JBL Pro JRX215 15 2000w Professional Passive PA/DJ Speakers 8 Ohm JRX 215

  • Features: 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....
  • High-voltage capacitors and inductors with massive cores and heavy gauge wire. Progressive Transition high frequency waveguide. 19 mm (.75 in) MDF....
  • Non-resonant, all-steel handles. 18-gauge hexagon perforated, steel grille Dual-angle pole-mount socket allows the speaker to tilt 10. Details: Power....
  • Nominal Impedance : 8 ohms. Recommended Amplifier Power : 250 W to 500 W into 8 ohms. Maximum SPL: 129 dB. Nominal Dispersion : 90 x 50. Crossover....
  • High Frequency Driver : JBI 2414H-C , 1" exit compression driver mounted on Progressive TransitionWave guide. Low Frequency Driver : JBI M115-8A.....
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Shure Dual Channel Wireless Microphone System with 2 BETA 58A Handheld Mics, SLXD24D/B58-H55

  • WIRELESS FREQUENCY BAND SELECtION: Before purchasing, please ensure that the wireless frequency band you select works in your area (refer to Shure website for details > search Shure Wireless Frequency Finder)..
  • WHAT'S IN THE BOX: (2) SLXD2 handheld transmitter with Beta 58A cardioid dynamic microphone capsules and (1) SLXD4D dual-channel receiver, with antenna and rackmount accessories, (2) zippered bag and (4) AA batteries.
  • DIGITAL WIRELESS TECHNOLOGY: Digital predictive switching diversity. 44 MHz tuning bandwidth (region dependent). 32 available channels per frequency band (region dependent). Up to 10 compatible systems per 6MHz TV band.
  • 12 systems per 8 MHz band. RF Scan and IR Sync to quickly find an open frequency and link the transmitter to a SLX-D receiver. Easy pairing of transmitters and receivers over IR scan and sync..
  • BATTERY LIFE: Up to 8 hours from 2 AA batteries. Upgrade to the optional Shure SB903 Lithium-ion rechargeable battery to monitor battery charge status in hours and minutes, as well as battery life and health statistics..
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Digital Manifold HVAC Gauges Set with Pressure&Temp Test, Digital Refrigerant Gauges Built-in 89 Refrigerant Database, HVAC Gauges Set with Refrigerant Hoses,Temp Clips& 3.5″ LCD Display

  • 【Digital Manifold Gauge Set】Manifold gauge kits are used to install, test and maintain refrigeration equipment (such as air conditioners, refrigerators and cold storage, etc.). Digital gauge has very powerful functions, such as: double pressure test, dual temperature test , digital readout, multi-unit switching, multi-mode function and built-in refrigerant database..
  • 【Condensing Pressure&Temp Test of manifold Gauge】The air pressure gauge can test the minimum pressure when the refrigerant changes from gas to liquid, and the maximum temp when the gas changes to liquid. (The lower the pressure and temp of condensation are, the higher the efficiency of the refrigeration cycle and the greater the refrigerant capacity will do.).
  • 【Evaporation pressure and temperature test of manifold Gauge】The air pressure gauge can test the maximum pressure when the refrigerant changes from liquid to gas. The lowest temp when the liquid becomes gaseous.(The lower the pressure and temp of the evaporation are, the more efficient the refrigeration cycle and the greater the refrigeration capacity will do.).
  • 【The air pressure gauge can be filled with refrigerant through the visual window & Refrigerant type can be set】Built-in 89 kinds of Refrigerant Database. B....
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AC Gauges Digital HVAC Manifold Gauge Set for 93 Refrigerants AC Pressure Gauge Set R134A R22 R12 R410A R1234YF Home Car Automotive Refrigerant Recharge Kit Refrigeration Hoses with Low Loss Fittings

  • 【Built-in 93 Kinds of Refrigerant Database】The upgraded Digital HVAC Manifold Gauge Set has a built-in 93 refrigerant pressure-evaporating temperature database according to the America NIST standard. Newly added 4 refrigerant types: R438A, R448A, R449A, and R452A. The manifold gauge set has the double pressure test, dual temperature test, digital readout, multi-unit switching (kPa, Mpa, bar, inHg, PSI or °C, °F ), and multi-mode function..
  • 【Automatic Calculation of Subcooling and Superheating】The refrigeration gauges built-in 32-bit digital processing unit and high-precision data acquisition unit, high data and stability. Digital refrigerant gauges can also calculate the supercooling and superheating degree, which is convenient to read the data directly during the operation. In addition, the ac manifold gauge set tests the percentage of vacuum measurement.
  • pressure leak measurement, and leak time speed record..
  • 【Visualization Window & Refrigerant Charging & Vacuum Operation】Through the window of HVAC digital gauges, the charging state of the refrigerant can be directly observed, which is more convenient to operate. The HVAC digital manifold gauge set can realize vacuum operation by connecting the refrigeration equipment and vacuum pump. N....
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AEM 52mm Gauge Combo Air/Fuel Ratio Wideband UEGO & Oil Pressure 150psi & Boost 30-35 w/MAP Lanyard Black

  • Our AEM three gauge kit is a popular combo Compatible with commonly used gauges and application. Our official MAPerformance lanyard included as a....
  • AEMs legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one..
  • AEM's Digital Boost Display Gauges combine unsurpassed accuracy, speed and control with an easy-to-read digital LED interface that displays boost in 1....
  • AEM Digital Oil Pressure Gauges combine unsurpassed accuracy, speed and control with an easy-to-read digital LED interface that displays oil pressure....
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4 Alpine SPE-6090 6x9 600 Watt Car Audio Speakers+4 Channel Amplifier+Amp Kit

  • ...e pearl mica injection. 3/4" Silk soft dome tweeter. Tweeter Magnet: Neodymium. Woofer Magnet: Ferrite. 4 ohms impedance. Square voice coil. Injection molded frame.
  • Peak Power Handling Per Pair: 600 watts. Peak Power Handling Each: 300 watts. RMS Power Handling Per Pair: 150 watts. RMS Power Handling Each: 75 watts. Frequency Response: 65-18,000 Hz. Sensitivity: 91 dB. Top-Mount Depth: 3". Mounting Diameter: 5-15/16" x 8-3/4". Features: Alpine BBX-F1200 600 Watt 4/3/2 Channel Amplifier Car Stereo Amp Class-A/B 2-ohm. Terminal Layout: Two-Sided. Screw Mount / Wire Cover: Integrated Wire and Mounting Screw Terminals.
  • Alpine BBX-F1200 600 Watt 4/3/2 Channel Amplifier Car Stereo Amp Class-A/B 2-ohm. Amplifier Type: Class-A/B. Channel Design: 4/3/2 Channel. Thermal Control: Thermal Management Control. Power Supply: DC-DC PWM Power Supply. Power Supply Design: MOSFET Power. Current Protection: Over-Current, Over-Voltage and Thermal Protection. Crossover: Variable Low-Pass / High-Pass. Green/red status LED. 2 pair RCA pre-inputs. Max Power Output Ratings. Total Max Power: 600W. RMS Power Ratings.
  • Per Channel into 4ohms (%THD+N): 4 x 50W. Per Channel into 2ohms (%THD+N): 4 x 70W. Bridged into 4ohms (%THD+N): 2 x 130W. Sound Tuning. Crossover Frequency (Variable....
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