- Super Heterodyne Radio Receiver 6 Transistor Schematic+Enclosure Speaker DIY KitOpens in a new window or tab全新HK$ 74.20原價: HK$ 78.115% 折扣+HK$ 27.34 運費所在地: 中國免費退貨即將售完35 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- Audio preamp remote volume control board with ALPS potentiometerOpens in a new window or tab全新HK$ 203.63原價: HK$ 214.335% 折扣免費跨國運送所在地: 中國32 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 800W Mono High Power Professional Amplifier 2SA1943/2SC5200 Finished Power AMPOpens in a new window or tab全新HK$ 497.15 至 HK$ 1,001.73原價: HK$ 523.325% 折扣+HK$ 62.49 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- HIFI Fever OP01 OP03 Full Discrete Component Field Effect Input Op Amp ModuleOpens in a new window or tab全新HK$ 170.66 至 HK$ 230.03原價: HK$ 179.655% 折扣免費跨國運送所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- New 5W QRP Antenna Tuner For HAM RADIO CWOpens in a new window or tab全新HK$ 296.81原價: HK$ 312.435% 折扣+HK$ 39.05 運費所在地: 中國免費退貨28 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 16.5 in Copper antenna for Multi-Frequency Oscillator MWO Multi-Wave OscillatorOpens in a new window or tab全新HK$ 2,819.67原價: HK$ 2,968.085% 折扣+HK$ 156.21 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- U/V UHF VHF dual band spectrum analyzer BNC with tracking source tuning DuplexerOpens in a new window or tab全新HK$ 810.75原價: HK$ 853.405% 折扣免費跨國運送所在地: 中國63 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 100W FM VHF 80-170MHz RF Power Amplifier Board For Amateur Radio DIY KitOpens in a new window or tab全新HK$ 371.01原價: HK$ 390.545% 折扣+HK$ 46.86 運費所在地: 中國免費退貨2 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- PLJ-8LED-R 0.1MHZ - 2.4GHz RF Signal Frequency Counter Cymometer TesterOpens in a new window or tab全新HK$ 155.82原價: HK$ 164.035% 折扣+HK$ 15.62 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- NEW-vacuum tube-FM-radio retro sound valve stereo radio kit with audio outputOpens in a new window or tab全新HK$ 4,452.12原價: HK$ 4,686.445% 折扣+HK$ 1,171.61 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 5W RF Power Amplifier 1.2-1.6GHz Gain 40dB 12-18V SMA Female HeaderOpens in a new window or tab全新HK$ 593.62原價: HK$ 624.865% 折扣+HK$ 62.49 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- PLJ-6LED-H Frequency Meter Frequency Display Frequency Measurement 1MHz~1000MHzOpens in a new window or tab全新HK$ 148.40原價: HK$ 156.215% 折扣+HK$ 15.62 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- Low Voltage 48v Small Bluetooth Music Tesla Coil Artificial Lightning 10cmOpens in a new window or tab全新HK$ 230.03 至 HK$ 311.65原價: HK$ 242.135% 折扣+HK$ 62.49 運費所在地: 中國免費退貨2+ 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- QRP Manual Antenna Tuner Tune 5W For HAM RADIO CWOpens in a new window or tab全新HK$ 363.59原價: HK$ 382.735% 折扣免費跨國運送所在地: 中國免費退貨12 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 50KV/100KV Pointer Type High Voltage DC Voltmeter Plate + ResistorOpens in a new window or tab全新HK$ 170.66原價: HK$ 179.655% 折扣免費跨國運送所在地: 中國免費退貨4+ 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- D.Klimo LAR Gold Plus MM MC Tube Phono Preamplifier Finished Boards(No tube)Opens in a new window or tab全新HK$ 3,561.69原價: HK$ 3,749.155% 折扣+HK$ 156.21 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- NOS DAC/I2S NOS Decoder Shifter Board and I2S Data Conversion Right-AlignedOpens in a new window or tab全新HK$ 219.87原價: HK$ 231.435% 折扣+HK$ 30.31 運費所在地: 中國15 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 220V 2~8 way CATV TV VCR Antenna Signal Amplifier Booster Splitter 20dbOpens in a new window or tab全新HK$ 133.56 至 HK$ 348.75原價: HK$ 140.595% 折扣免費跨國運送所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 4.5W 24V RF Amplifier 45-1100MHz Power Amplifier 36dB SMA standard female headerOpens in a new window or tab全新HK$ 645.56原價: HK$ 679.535% 折扣+HK$ 62.49 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- GG-PSU high-voltage dual voltage regulator + filament power supply kitOpens in a new window or tab全新HK$ 232.06原價: HK$ 244.245% 折扣免費跨國運送所在地: 中國高度評價賣家高度評價賣家yuwi_69 (606) 100%
- Compact 100A Full Bridge Inverter Module DRSSTC/Driver Board for Tesla CoilOpens in a new window or tab全新HK$ 571.35 至 HK$ 2,151.86原價: HK$ 601.435% 折扣免費跨國運送所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- NEW Kit1.6GHz 1.7GHz L-Band qfh-antenna for SDR RadioOpens in a new window or tab全新HK$ 66.23原價: HK$ 69.755% 折扣免費跨國運送所在地: 中國16 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- D.Klimo LAR Gold Plus MM MC Tube Phono Preamp DIY Kit+ Power Supply+CaseOpens in a new window or tab全新HK$ 6,158.76原價: HK$ 6,482.915% 折扣+HK$ 390.54 運費所在地: 中國免費退貨10 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- Waterproof 150W 1:1 HF Shortwave Dipole Antenna Balun Waterproof BAL-501Opens in a new window or tab全新HK$ 215.19原價: HK$ 226.515% 折扣+HK$ 62.49 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- Waterproof 150W 250W 4:1 HF Shortwave Dipole Antenna Balun WaterproofOpens in a new window or tab全新HK$ 222.61 至 HK$ 281.97原價: HK$ 296.815% 折扣+HK$ 39.05 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 10W VHF UHF Duplexer Filter to place between transmitter and antennaOpens in a new window or tab全新HK$ 133.56 至 HK$ 170.66原價: HK$ 140.595% 折扣免費跨國運送所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- LNA for RTL Based SDR Receivers Low Noise Signal Amplifier 40MHz-4GHzOpens in a new window or tab全新HK$ 138.48原價: HK$ 145.755% 折扣免費跨國運送所在地: 中國最後 1 件29 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- D.Klimo Parallel Tube Regulator Power Supply Rectifier Board DIY KitOpens in a new window or tab全新HK$ 333.91 至 HK$ 593.62原價: HK$ 351.485% 折扣+HK$ 62.49 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 5+2/6+2 in 2+2 out audio source + amplifier + speaker multi-function switcherOpens in a new window or tab全新HK$ 1,038.83 至 HK$ 1,075.93原價: HK$ 1,132.565% 折扣+HK$ 156.21 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- FM7303FM FM stereo integrated radio circuit board kit 87~109MHz FM DIYOpens in a new window or tab全新HK$ 474.89原價: HK$ 499.895% 折扣+HK$ 62.49 運費所在地: 中國免費退貨13+ 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 1 pair Gaincard (GC) LM1875 Parallel Power amplifier kit 30W+30W amp L7-9Opens in a new window or tab全新HK$ 407.10原價: HK$ 428.505% 折扣+HK$ 62.41 運費所在地: 中國高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 0.96 OLED Music Spectrum Display Analyzer Audio Level Indicator rhythm VU METEROpens in a new window or tab全新HK$ 223.93原價: HK$ 235.735% 折扣免費跨國運送所在地: 中國高度評價賣家高度評價賣家yuwi_69 (606) 100%
- Schumann Wave Generator Tesla Earth Frequency Resonator Low Pulse GeneratorOpens in a new window or tab全新HK$ 333.91 至 HK$ 497.15原價: HK$ 351.485% 折扣+HK$ 39.05 運費所在地: 中國免費退貨12+ 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 12v relay 16CH wireless RF Remote Switch Transmitter Switch+ ReceiverOpens in a new window or tab全新HK$ 252.44原價: HK$ 265.725% 折扣+HK$ 39.05 運費所在地: 中國高度評價賣家高度評價賣家yuwi_69 (606) 100%
- NEW 2000W Pure Sine Wave Inverter Power Board Post Wave Amplifier Board FinishedOpens in a new window or tab全新HK$ 322.27原價: HK$ 339.225% 折扣+HK$ 30.31 運費所在地: 中國最後 1 件9 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- High-fidelity audio switch 1 in 4 out / 4 in 1 out signal connected to the distrOpens in a new window or tab全新HK$ 390.85原價: HK$ 411.395% 折扣+HK$ 39.05 運費所在地: 中國高度評價賣家高度評價賣家yuwi_69 (606) 100%
- DIY 6/10/level high voltage Marx generator pulse high voltage arc KitOpens in a new window or tab全新HK$ 203.63 至 HK$ 1,180.59原價: HK$ 214.335% 折扣+HK$ 78.11 運費所在地: 中國免費退貨4+ 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 12864 LCD External Cat Display For YAESU FT-818 FT-857 FT-897 818ND 857DOpens in a new window or tab全新HK$ 408.11 至 HK$ 519.41原價: HK$ 429.595% 折扣+HK$ 62.49 運費所在地: 中國免費退貨13+ 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- HIFI dual decoding DAC I2S for volumio moode Raspberry Pi DAC Raspberry Pi 3B 4BOpens in a new window or tab全新HK$ 230.03原價: HK$ 242.135% 折扣+HK$ 39.05 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- D.Klimo LAR Gold Plus MM MC Tube Phono Preamp DIY Kit + Power Supply + CaseOpens in a new window or tab全新HK$ 1,113.03 至 HK$ 2,968.08原價: HK$ 1,171.615% 折扣+HK$ 234.32 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 137MHz SAW BPF band pass filter Center frequency: 137.5MHzOpens in a new window or tab全新HK$ 150.67原價: HK$ 158.565% 折扣免費跨國運送所在地: 中國即將售完12 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- High-power Tesla coil induction arc music Tesla coil pulse high voltage 220VOpens in a new window or tab全新HK$ 2,359.62原價: HK$ 2,483.815% 折扣+HK$ 546.75 運費所在地: 中國免費退貨45 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 50W+50W Mini Digital Power Amplifier TPA3116 HiFi Stereo 2.0 Channel Audio AmpOpens in a new window or tab全新HK$ 219.87原價: HK$ 231.435% 折扣+HK$ 30.31 運費所在地: 中國最後 1 件25 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 10W 24V RF Power Amplifier 2300-2400MHz Output Output Gain 40dB+heat sinksOpens in a new window or tab全新HK$ 185.50 至 HK$ 682.66原價: HK$ 585.805% 折扣免費跨國運送所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 250W Mini Waterproof 9:1 HF Shortwave Antenna Balun BH4DDF BAL-452MOpens in a new window or tab全新HK$ 274.55原價: HK$ 289.005% 折扣+HK$ 62.49 運費所在地: 中國免費退貨5 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- Kondo-M7 gallon preamp board diy kit finished board+transformer+housingsOpens in a new window or tab全新HK$ 801.38 至 HK$ 2,522.87原價: HK$ 843.565% 折扣+HK$ 156.21 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 15W 24V RF Power Amplifier 1200-1320MHz Output Gain 40dB + heat sinkOpens in a new window or tab全新HK$ 185.50 至 HK$ 667.82原價: HK$ 195.275% 折扣免費跨國運送所在地: 中國免費退貨1+ 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 32-bit Level Indicator Panel VU Meter Mono Channel LED Assembled BoardOpens in a new window or tab全新HK$ 102.48原價: HK$ 107.875% 折扣+HK$ 30.31 運費所在地: 中國5 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 1.8M-30MHz / 3.5-30MHz SWR Bridge RF SWR Reflection Bridge For RF NetworkOpens in a new window or tab全新HK$ 103.88 至 HK$ 118.72原價: HK$ 109.355% 折扣免費跨國運送所在地: 中國高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 170w 80-180MHZ FM VHF Power Amplifier DIY Kit for Transceiver Radio AMP MRF9180Opens in a new window or tab全新HK$ 400.69原價: HK$ 421.785% 折扣+HK$ 62.49 運費所在地: 中國免費退貨16 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- HX108-2 seven-tube input and output superheterodyne AM radio Receiver diy kitOpens in a new window or tab全新HK$ 129.81原價: HK$ 136.695% 折扣免費跨國運送所在地: 中國免費退貨2 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- Electron Tube Converter 12AX7 ECC83 Top Replace 6N2 Button 12AU7 ECC82 To 6N1Opens in a new window or tab全新HK$ 81.62 至 HK$ 96.46原價: HK$ 85.925% 折扣免費跨國運送所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- Integrated Tesla primary coil for half bridge DRSSTC music Tesla coil 150~1000mmOpens in a new window or tab全新HK$ 267.13 至 HK$ 2,374.46原價: HK$ 281.195% 折扣免費跨國運送所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- Tesla Coil Aluminium Even Pressure Ring 135mm diameter 30mm tube diameterOpens in a new window or tab全新HK$ 230.03原價: HK$ 242.135% 折扣+HK$ 62.49 運費所在地: 中國免費退貨2 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 100K-500MHz power divider combiner/splitter 50 ohmsOpens in a new window or tab全新HK$ 140.98原價: HK$ 148.405% 折扣免費跨國運送所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- 1PCS LJM L20 mono Amplifier board With Angle Aluminum Mono 350W amp boardOpens in a new window or tab全新HK$ 265.25原價: HK$ 279.235% 折扣+HK$ 22.49 運費所在地: 中國高度評價賣家高度評價賣家yuwi_69 (606) 100%
- Unbalanced to balanced RCA to XLR for HIFI preamp board audio DIY kit / finishedOpens in a new window or tab全新HK$ 155.82 至 HK$ 179.18原價: HK$ 188.635% 折扣免費跨國運送所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
- NEW K-180WLA Active Loop Broadband Receiving Antenna 0.1M-180MHz For SDR RadioOpens in a new window or tab全新HK$ 537.38原價: HK$ 565.655% 折扣+HK$ 77.17 運費所在地: 中國最後 1 件16 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- AS60 LED Digital Music Spectrum Audio Sound Level Display VU Meter Analyzer AmpOpens in a new window or tab全新HK$ 387.41原價: HK$ 407.805% 折扣免費跨國運送所在地: 中國15 人追蹤高度評價賣家高度評價賣家yuwi_69 (606) 100%
- Portable Case Multi-Frequency Oscillator MWO Multi-Wave Oscillator Double RingOpens in a new window or tab全新HK$ 17,808.47原價: HK$ 18,745.755% 折扣+HK$ 781.07 運費所在地: 中國免費退貨高度評價賣家高度評價賣家yuwi_69 (606) 100%
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