Reviews Network Topology

JBL Professional JRX212 Portable 2-way Sound Reinforcement Loudspeaker System, 12-Inch

  • JBL 12-Inch low frequency driver with a 2.5-Inch diameter edgewound ribbon voice coil which provides more cross-sectional wire area in the voice coil gap than round wire designs, for greater efficiency and power handling..
  • JBL 2414H-C 1-Inch polymer diaphragm compression driver improves high frequency performance as well as system reliability..
  • The advanced network topology crossover design shapes frequency response and delivers "coherent summation" in the crossover region..
  • High-voltage capacitors and inductors with massive cores and heavy gauge wire enable the crossover network to handle high power without saturating..
  • Non-resonant, all-steel handles are used..
  • Attractive 18-gauge hexagon perforated, steel grille protects components from damage.
  • Dual-angle pole-mount socket allows the speaker to tilt 10°for more uniform audience coverage..
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APC Smart-UPS 750VA UPS Battery Backup with Pure Sine Wave Output (SMT750) (Not sold in Vermont)

  • 750VA / 500W Battery Backup Uninterruptible Power Supply (UPS).
  • Pure Sine Wave UPS provides highest degree of compatibility with active PFC power supplies and electronics.
  • 6 battery backup and surge protector outlets.
  • Smart UPS battery backup with LCD Display.Network-grade power supply conditioning protects from damaging surges and disruptive noise. Solid state automatic voltage regulation (AVR) boosts low input voltage and trims high voltage without battery operation. Network manageable via serial, USB or optional ethernet.
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1-30 MHZ Manual Antenna Tuner kit for HAM Radio QRP DIY Kit

  • This antenna tune kit comes with the standing wave directions..
  • Using a T-type topology network, shortwave 1-30MHz..
  • Can withstand the transmit power of 15W..
  • The tuning range of approximately 30-300 ohms..
  • Very convenient for QRP communication, to ensure high efficiency radio transceiver in communication, but also allows you to fully enjoy the fun of....
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The Night Orion Fell A Survival Story

  • Features – The 2 channel bass boost amplifier has features like - Frequency Response: 10HZ-30KHZ, Bass Boost, Remote Bass Knob, Gain Control, 2-way....
  • Class A/B – This Orion Cobalt multichannel subwoofer amplifier exhibits a Class A/B topology. In the presence of no audio signal, Class A Amplifier....
  • Quality - This Class A/B 2 channel amplifier exhibits quality frequency response rates and crossover network which places this amp at a prominent....
  • Power – This Class A/B 1500 Watt Amplifier has a power rating distribution as followed 2250 X 2 MAX @ 2 OHMS, 1125 X 2 MAX @ 4 OHMS. The dual....
  • Low/High Level Inputs – The multichannel subwoofer amplifier for car stereo speakers come with low/high level inputs. A low level (RCA) input is....
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APC Back-UPS Pro 1300VA UPS Battery Backup & Surge Protector (BR1300G)

  • 1300VA / 780W Battery Backup Uninterruptible Power Supply (UPS).
  • 10 Total Outlets: 5 Outlets provide UPS Power Backup and Surge Protection.
  • Automatic Voltage Regulation (AVR) maintains safe voltage conditions without using backup battery power. Topology-Line interactive.
  • When the power goes out, an APC battery backup with surge protection provides guaranteed power for computers, external hard-drives and other electronics, including your wireless router so you can maintain a network connection for your IoT devices when you need it most!.
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CyberPower CPS1500AVR Smart App LCD UPS System, 1500VA/900W, 8 Outlets, AVR, 2U Rack/Tower,Black

  • 1500VA/900W Battery Backup Uninterruptible Power Supply (UPS) System. This simulated sine wave UPS with line-interactive topology uses Automatic Voltage Regulation (AVR) to protect against undervoltages and overvoltages..
  • 8 BATTERY BACKUP & SURGE PROTECTED OUTLETS: (8) NEMA 5-15R Outlets. PLUG TYPE AND CORD:- NEMA 5-15P, 10 FT cord. Plug Style- Straight.
  • LED STATUS LIGHTS: Indicate battery status, AVR, Over loads and fault conditions. REMOTE MANAGEMENT: Requires optional RMCARD205.
  • Provides battery backup and surge protection for department servers, workgroup servers, workstations, network devices, and telecom installations without active PFC power supplies..
  • 3-YEAR WARRANTY – INCLUDING BATTERIES, $300,000 Connected Equipment Guarantee, FREE PowerPanel Business Edition Management Software (Download).
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HINYSENO Mini PCI-E Single Port SFP Ethernet 10/100/1000Mbps Gigabit LAN Card Network Interface Controller Card for Intel 210AS Chipset Full/Low Profile Bracket

  • 【Controller】 Intel 210AS, PCIe Bus Mini PCI Express, 1 x SFP.
  • Serializer-Deserializer (SerDes) to support 1000BASE-SX/LX (optical fiber - IEEE 802.3).
  • 【Bus type】miniPCI Express* 1.2 (2.5GT/s).
  • 【IEEE standard / Network topology】 1000BASE-SX / 1000BASE-LX (optical fiber - IEEE 802.3).
  • 1000SX Multi mode, 1000LX Single mode, 1000BX Single....
  • 【Operating System】Windows Server 2003 / Server 2008 / 2008 R2 / Server 2012 / 2012 R2 / 2016 R2.
  • Windows XP / Windows Vista / Windows 7 / Windows....
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Crown CTs 4200A Four-Channel Power Amplifier 180 watts per channel at 8 Ohms

  • High power-density, with four channels CTs 4200..
  • Selectable constant-voltage 70V100V or low-impedance 48 ohm operation for each channel pair..
  • FIT Fault Isolation Topology circuitry isolates faults within affected channels..
  • Proven Crown ABB Multi-Mode output topology..
  • Continuously-variable fans optimize cooling efficiency..
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JBL Pro JRX215 Passive DJ P/A Speaker Cabinet Bundle with Rockville RCTS1425 25 14 AWG 1/4 TS to Speakon Speaker Cable and Pair RVES1 Tripod PA Speaker Stands

  • Package Includes: (2) JBI Pro JRX215 15" 2000 Watt Professional Passive PA/DJ Speakers 8 Ohm JRX 215. (1) Pair of RockvilIe Tripod Speaker/Lighting....
  • JBI 2414H-C 25 mm (1 in) polymer diaphragm compression driver. Advanced network topology crossover design. High-voltage capacitors and inductors with....
  • Non-resonant, all-steel handles. 18-gauge hexagon perforated, steel grille Dual-angle pole-mount socket allows the speaker to tilt 10. Details: Power....
  • Maximum SPL: 129 dB. Nominal Dispersion : 90 x 50. 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....
  • Input Connectors : Parallel Neutrik Speakon NL-4 (x1).
  • .25in TS phone jack (x1). Grille : 18-gauge, powder-coated steel. Mounting & Suspension : 36....
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(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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JBL JRX212 12 DJ P/A Speaker Floor Wedge Monitor Bundle with Rockville RCTS1425 25 14 AWG 1/4 TS to Speakon Speaker Cable and Pair RVES1 Tripod PA Speaker Stands

  • Package Includes: (2) JBI Pro JRX212 12" 2000 Watt Professional Passive PA/DJ Speakers 8 Ohm JRX 212. (1) Pair of RockvilIe Tripod Speaker/Lighting....
  • JBI 2414H-C 25 mm (1 in) polymer diaphragm compression driver. Advanced network topology crossover design. High-voltage capacitors and inductors with....
  • Non-resonant, all-steel handles. 18-gauge hexagon perforated, steel grille Dual-angle pole-mount socket allows the speaker to tilt 10. Specifications:....
  • 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....
  • parallel. Grille : 18-gauge, powder-coated steel. Mounting & Suspension : 36 mm, dual-angle pole-mount socket. Features:....
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Orion Cobalt 4 Channel Amplifier – Class A/B Multichannel Amplifier 1750W RMS 3500W Max Car Electronics Car Audio Stereo Subwoofer 2 Ohm Stable Bass Boost MOSFET Amplifier for Car Speakers Sub Amp

  • Features – The 4 channel bass boost amplifier has features like - Frequency Response: 10HZ-30KHZ, Remote Bass Knob, 2-way protection, hi/low pass....
  • Class A/B – This multichannel subwoofer amplifier exhibits a Class A/B topology. In the presence of no audio signal, Class A Amplifier has a high....
  • Quality - This Class A/B 4 channel amplifier exhibits quality frequency response rates and crossover network which places this amp at a prominent....
  • Power – This Class A/B 2500 watt Amplifier has a power rating distribution as followed 875 X 4 MAX @ 2 OHMS. The 4 channel amplifier for car....
  • Low/High Level Inputs – The multichannel amplifier for car speakers come with low/high level inputs. A low level (RCA) input is measured in....
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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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