ReviewsPower Frequency

Pair Rockville APM5W 5.25' 2-Way 250W Powered USB Studio Monitor Speakers+Pads

Studio reference monitors for critical audio production listening in small spaces.
Super-near-field design puts the sweet spot right at your ears on a typical desk.
DESKTOP/SHELF switch adapts response for superior sound from any speaker placement.
Extended frequency response from 45 Hz - 20 kHz delivers surprising bass response *Advanced digital crossover and careful time alignment for precise stereo imaging.
4 class D power amps and 50W RMS for punchy low end and impressive volume.Total output power (both speakers)- 70W (peak) - 50W RMS.Low frequency output power (single speaker)- 18W RMS. High frequency output power (single speaker)- 7W RMS.

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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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(2) JBL Pro JRX215 15″ 2000w PA/DJ Speakers+Powered 12-Channel Mixer+Stands

...rofessional Passive PA/DJ Speakers 8 Ohm JRX 215, (1) Rockville RPM109 12 Channel 4800w Powered Mixer, 7 Band EQ, Effects, USB, 48V, (1) Pair of Rockville Tripod Speaker/Lighting Stands+(2) 20 Foot 1/4″-SpeakOn Cables.
Features of JRX215:, JRX215 15″ Two-Way Sound Reinforcement Loudspeaker System, JBL 15 in low frequency driver with a 64 mm (2.5 in) diameter edge wound ribbon voice coil, JBL 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.
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: 129 dB, Nominal Dispersion : 90º x 50º, Crossover Frequency : 2.2 kHz, Dimensions (H x W x D) : 699 mm x 460 mm x 432 mm (27.5 in x 18.1 in x 17 in), Weight : 27.4 kg (60.5 lb).
Rockville RPM109 12 Channel 4800w Powered Mixer, 7 Band EQ, Effects, USB, 48V , RMS Power Output:, …..600w x 2 @ 4 Ohm, …..450w x 2 @ ....

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High Frequency Transducer, Bandwidth Mixing Board Mixer Module -10dBm for Quadrature Modulation for Base Station for HF VHF Receiver

【Important Data】: SSB noise figure (NF) of 9.75 dB--Input IP3: 28.5 dBm--Input P1dB: 13.3 dBm--Typical LO drive: 0 dBm--Power conversion gain of 1.8 dB.
【Wild Used】: This 5V double balance up and down frequency mixer module is widely used for cellular base station receivers, Radio link down converters, Broadband block conversion, Instrumentation.
【Low Power】: Our 130mA 50 Ohms Balun coil coupling frequency conversion mixer features adjustable bias for low power operation, so you can trust and use this RF mixer inverter with confidence.
【Wonderful Components】: This 5V ADL5801 double balance up and down frequency mixer module is equipped with exposed paddle, 4mm x 4mm, 24-lead LFCSP package, so it will be an ideal choice for you.
【Size】: Power supply: DC+5V@80mA(anti-reverse connection protection.)--RF_IN/RF_LO input frequency range: 10-6000Mhz--Input and output impedance: 50 ohm--Type:Input Balun coupling, Input/output Balun coupling(Optional)--Weight: Approx.15g/0.5oz.

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Another Galaxy (feat. AO, Darb$ & Sir Random)

10 and 12 meter bands. 16 programmable/erasable frequencies. Programmable repeater split..
Large frequency display with dimmer. New backlit display. Dual panel meters..
Improved receiver design for increased sensitivity and image rejections. Receiver clarifier ( plus/minus 0.5kHz)..
Variable output power control. Noise blanker/ANL circuitry. Frequency selector lockout..
Double FET balanced mixer for improved receiver intermodulation rejection. Active frequency scanner. Continuous duty built-in AC power supply..

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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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BaoFeng Pofung GT-3TP Mark-III+Speaker Tri-Power 8/4/1W Two-Way Radio with Speaker Mic Included

GT-3TP Mark-III has High / Med / Low Power Settings Broad (Wide) / Narrowband (Narrow), High power / low power (5W / 1W), selectable. Selectable....
Frequency Range: 65-108 MHz (Only commercial FM radio reception), VHF: 136-174 MHz (Rx/TX), UHF: 400-520 MHz (Rx/TX)..
Note: Factory defaults frequency is 140-150/430-440MHz (8W Output), please reset the radio to reach 136-174/400-470MHz or program it to reach....
128 Channels 50 CTCSS and 104 DCS, Function Busy Channel Lock "BCLO", Function "VOX" (Voice Operated Transmission), "OFFSET" (frequency offset for....
Optimal SQL Setting, Optimal Modulation of TX/RX Power Tube, True 8W Output Power, Up to 11KM effective talking range. Extra speaker mic included.....

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PRINCE CASTLE Drive Motor Assembly 87-028AS

ATO 110v vfd, single phase 110v/120v input, single phase or three phase 220v output, achieve to run 220v AC motor on single phase 110v/120v power supply.
【Voltage& Frequency】Input voltage: 1 phase 120V AC ±15%, Input frequency: 50Hz/60Hz,Output voltage: 1 phase or 3 phase 220V AC ±15%, Output frequency: 0.00~400.00Hz.
【APPLICATION】ATO 7.5 hp 5.5kW variable frequency drive Can be widely applied to drive the AC motor, such as fans, pumps, power tools, etc.
【TIPS】 To protect the variable frequency drive and Motor, you need an upstream protection, add a line-choke upstream the VFD, this will reduce the current transients seen by the input of the VFD.
【CUSTOMER FIRST】If you have no experience in driving a VFD, be sure to refer to the instructions before operating a VFD.If you are not sure about the size or have any issue about the product or service, please don't hesitate to email us. We will answer you within 12h.

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PreSonus Studio 1810c USB-C Audio Interface 18-in/8-out USB-C Audio Interface with 4 Xmax Preamps

...sonus Eris E3. 5 3. 5" Powered Studio Monitors Speakers with Acoustic Tuning + Pair of Rockville RVSM1 Heavy Duty Near-Field Studio Monitor Stands w/ Adjustable Height for Use in any Studio Environment.
Pair PreSonus Eris E3. 5 3. 5" Powered Studio Monitors Speakers with Acoustic Tuning. 3. 5-inch (89 mm) Kevlar low-frequency transducer. 1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer. Rear-firing acoustic port for superior bass-frequency reproduction. Optimized, resonance-suppressing internal bracing. High- and low-frequency tuning controls. Front-panel Volume control for speakers and headphone amplifier..
50 watt (25W/side), Class AB bi-amplification. RF interference, output current limiting, over-temperature, transient, and subsonic protection. Amplifier “soft start” feature eliminates popping on power-up. Internal power supply with IEC connector. Power switch with on/off LED. Balanced ¼-inch TRS, unbalanced 1/8-inch stereo, and RCA inputs. Integrated stereo headphone amplifier with front-panel 1/8-inch output. Protection: . RF Interference. Output-Current Limiting. Over-Temperature. Turn-On/Off.
Specifications: Inputs: (1) Stereo 1/8" , (2) Balanced 1/4" TRS, (2) Unbalanced RCA . Frequency Response: 80 Hz - 20 kHz. Crossove....

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AUDIOPIPEMAP Audiopipe 8″ Octagon Speaker 800 Watts Max/400 Watts RMS Dual 4 Ohm

Made of high quality material PRO-AUDIO PERFORMANCE: Designed to provide pro audio quality sound in the comfort of your vehicle with 500 watts MAX power, 250 watts of RMS power, and 8-ohm impedance.
Long lasting durabilitySpecifications 8-INCH MID-RANGE SPEAKER: 8-inch midrange driver speaker designed to bring you the sound you’ve been searching for with low/mid-frequency capability..
Impedance: 4 ohm BUMPING SOUND QUALITY: 35-ounce magnet with 2-inch TIL voice coil work together to give you bumping sound.
Bullet dust cap ensures high-quality, high-frequency sound..
Maximum Power: 800 watts DURABILITY AND PROTECTION: Die-cast aluminum basket, pressed paper cone, and corrugated surround provide improved speaker life and enhanced sound..
RMS Power: 400 watts Frequency response: 65 to 6,000Hz.

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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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