Best Ohm Balun

Memphis Audio M71212 12" M7 Series Triple Voice Coil Selectable 1-Ohm or 2-Ohm Car Audio Subwoofer

  • 12" Triple Voice Coil Selectable 1-Ohm or 2-Ohm Car Audio Subwoofer.
  • Sensitivity: 84.5 dB (1 Ohm) / 85.3 dB (2 Ohm).
  • Triple Voice Coil | Mounting Depth: 7.48".
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SparkFun ESP8266 Thing - Dev Board (with Headers)

  • Features: All module pins broken out - Onboard FTDI USB-to-Serial - 802.11 b/g/n.
  • WiFi Direct (P2P), soft-AP - Integrated TCP/IP protocol stack - Integrated TR switch, balun, LNA, power amplifier and matching network.
  • Integrated PLLs, regulators, DCXO and power management units - Integrated low-power 32-bit CPU could be used as application processor.
  • +19.5dBm output power in 802.11b mode - Pre-Soldered Headers.
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K6ARK QRP Antenna Matching Unit Kit – SMA Male

  • Detailed build instructions available at www.K6ARK.com.
  • Can be used with HF bands from 160 m to 10 m.
  • Build as a 49:1 Unun, 9:1 Unun, or 1:1 Balun – just add wire to complete your antenna.
  • SMA Male connector for attachment directly to the (tr)uSDX or others with SMA connector.
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Rockville RCS80-1 60 Watt 70V Commercial/Restaurant Amplifier/Bluetooth Receiver

  • Rockville RCS80-1 60 Watt 70V commercial restaurant amplifier/Receiver with Bluetooth.
  • Rockville RCS80-1 60 Watt commercial/restaurant amplifier 19" Rack-mountable (removable rack brackets) digital hybrid amplifier/Receiver. Capable of 70 volt, 100 Volt, 16 ohm, 8ohm, and 4 ohm. 70/100 volt True RMS power: 60 watts. 4 ohm RMS power: 80 watts..
  • 8 ohm RMS power: 70 watts. 16 ohm RMS power: 11 watts. Built in Bluetooth Audio streaming. Fm radio tuner. Usb input to play audio stored on a thumb drive (32GB max). SD card slot to play music stored on an SD card (32GB max)..
  • Distortion: 79dB. Power requirements: 120V/ 50-60Hz. A weighted signal to noise (@ 1W) -79.0Dba. A weighted signal to noise (referenced to full 4 ohm power) -95.1Dba..
  • Frequency response (bandwidth @ 2Vrams out, @ -3.0dB) 8 ohms.
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Rockville MS10LW 10" 2400w White Marine/Boat 10" LED Free Air Subwoofer Bundle with Rockville DBM12 2000w Mono Amplifier w/Covers+Bass Remote & Rockville RMWK4 Amplifier Install Wire Kit (3 Items)

  • Package Includes: (1)RockvilIe MS10LW 10" 2400 Watt White Marine/Boat 10" Free Air Subwoofer with LED. (1) RockvilIe DBM12 2000w 2 Ohm Marine/Boat Mono Amplifier Amp w/Covers+Bass Remote. (1)RockvilIe RMWK8 8 AWG Gauge Waterproof Marine Amplifier/Amp Install Wire Kit. Features: RockvilIe MS10LW 10" Marine Free Air Subwoofer with LED (White). Free air subwoofer does not require any enclosure. Max Power: 2400 Watts. RMS Program Power: 1200 Watts. RMS Power: 600 Watts.
  • Polypropylene cone with Rubber edge. 2.0" 4 Layer dual voice coil. Molded ABS plastic basket made with a special blend that is waterproof and un-breakable (if you literally jump on it, it will not break or bend). Magnet 80 Oz double stacked magnet. Frequency response: 30Hz-4Khz. Impedance: Dual 4 ohms. Sensitivity: 90dB. Total diameter: 10.55". Cutout diameter: 9.0". Mounting depth: 5.6". Specifications: Free Air Resonance (Fs): 31.05 Hz. Electrical Q (Qes): 0.5577.
  • Mechanical Q (Qms): 2.3313. Total Speaker Q (Qts): 0.45. Equivalent Compliance (Vas): 1.676 cu ft / 47.4728 L. One-Way Linear Excursion (Xmax): 0.41 in / 10.5 mm. Reference Efficiency (No): 0.25%. Efficiency....
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Memphis Audio MJME8S1 8' MOJO Car Subwoofer+Ported Sub Enclosure+Mono Amp+Wires

  • Package Includes: (1) Memphis Audio MJME8S1 8″ MOJO Car Subwoofer In Ported Sub Enclosure Box MJM822, (1) RockvilIe RXD-M3 4000 Watt/2000w RMS Mono Class D 1 Ohm Amplifier Car Stereo Amp, (1) RockvilIe RWK41 4 Gauge Complete Car Amp Wiring Installation Wire Kit with RCA’s.
  • Features of MJME8S1: Piano black gloss finished front panel, Carpet wrapped enclosure, 4-layer wound copper voice coil, Fiberglass reinforced subwoofer cone, Stitched foam surround, Heat dissipating aluminum heat sink, DVVC Direct Vent Voice Coil Cooling, Ported Enclosure. Specifications of MJME8S1: Single 8″ 900w RMS/1800w PEAK @ 1Ω loaded enclosure, Width 20.7″, Height 12.7″, Top 13.7″, Bottom 16.2″.
  • Features of RXD-M3: RockvilIe RXD-M3 4000 Watt/2000w RMS Mono Class D 1 Ohm Car Stereo Amplifier With Optical Coupler Technology, CEA Compliant Power Ratings (Rated at less than 1 % distortion) (Use these CEA ratings when matching and comparing with other CEA compliant brands such as Kicker, Rockford Fosgate, etc), 1 Ohm: 1000 Watts x 1 Channel .
  • RMS Power Ratings: (Use these RMS ratings when comparing with great brands such as Hifonics, Earthquake, Soundstream, etc), 1 Ohm: 2000 Wat....
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2 Kicker 44CWCD104 CompC 10 1000w 4-Ohm DVC Car Subs+Mono Amplifier+Amp Kit

  • Package Includes: (2) KICKER 44CWCD104 CompC 10" Dual 4-Ohm Car Audio Subwoofers Totaling 1000 Watt. (1) Rockville RXD-M1 2000w Peak/500w RMS Mono 1....
  • Features of 44CWCD104: KICKER 44CWCD104 CompC 10" 500 Watt Dual 4-Ohm Car Audio Subwoofer Sub CWCD104. Dual Four-Ohm Voice Coil. Injection-Molded....
  • Features of RWK41:� 1 � 17� High Grade Twisted Pair of 100% Copper RCA Cable. 17� � 4 Gauge Translucent Blue SuperFlex Power Cables. 17�....
  • Features of RXD-M1: Rockville RXD-M1 2000 Watt Peak/500 Watt Dyno-Certified RMS Mono 1 Ohm Amplifier Car Audio Amp. Dyno Certified RMS Power Ratings:....
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(2) JBL Pro JRX215 15″ 2000w PA/DJ Speakers+Powered 12-Channel Mixer+Stands

  • Package Includes:, (2) JBL Pro JRX215 15″ 2000 Watt Professional 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....
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Memphis Audio PRX1224 Power Reference 12' Selectable 2-Ohm / 4-Ohm Subwoofer

  • Impedance: Selectable 2 Ohm / 4 Ohm | Sensitivity: 85.8dB (2 Ohm) / 86.2dB (4 Ohm).
  • Polypropylene Cone | Double Stitched Butyl Rubber Surround.
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Power Acoustik RZ4-1200D 1200W Class D 4 Channel Amplifier Black

  • 1200-Watt max power, 100-Watt X 4 at 4-ohm, 150-Watt X 4 at 2-ohm, 300-Watt X 2 at 4-ohm bridged.
  • 4-Ohm bridged/2-ohm stereo class D full range.
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