Helen Electronic Audio Goods

NEW 6922/E88CC HIFI tube front stage,built-in regenerative power supply, fever sound, distortion 0.006-0.009%(ECC88, 6n11, 6DJ8)
Price: $928.29
Old Price: $1067
GZLOZONENEW 6922/E88CC HIFI tube front stage,built-in regenerative power supply, fever sound, distortion 0.006-0.009%(ECC88, 6n11, 6DJ8)
Helen Electronic Audio Store
Latest Dual Chip PCM1794 + AK4113 Luxury Decoder DAC supports Fiber Optic Coaxial USB Input Decoder Board Support 24 bit 192K Hz
Price: $53.07
Old Price: $61
GZLOZONELatest Dual Chip PCM1794 + AK4113 Luxury Decoder DAC supports Fiber Optic Coaxial USB Input Decoder Board Support 24 bit 192K HzSound Amplifiers
Helen Electronic Audio Store
2021 latest upgrade version NAIM NAC152 Preamp NAP200 Combined Amplifier 75W+75W 8 Ohm 4 Way RCA Input With Remote Control
Price: $358.44
Old Price: $412
GZLOZONE2021 latest upgrade version NAIM NAC152 Preamp NAP200 Combined Amplifier 75W+75W 8 Ohm 4 Way RCA Input With Remote ControlSound Amplifiers
Helen Electronic Audio Store
NEW 48W*2 Line Magnetic LM-508IA Tube Amplifier Integrated/power amplifier 300B push 805 tube Class A 6SL7*1 6SN7*2 805*2 300B*2
Price: $2220.23
Old Price: $2552
GZLOZONENEW 48W*2 Line Magnetic LM-508IA Tube Amplifier Integrated/power amplifier 300B push 805 tube Class A 6SL7*1 6SN7*2 805*2 300B*2
Helen Electronic Audio Store
Latest arrival HiFi 128 Steps Remote Volume Control Board Relay Pure Resistor Shunt DIY Preamp Audio (Impedance 10K)
Price: $57.99
Old Price: $66.66
GZLOZONELatest arrival HiFi 128 Steps Remote Volume Control Board Relay Pure Resistor Shunt DIY Preamp Audio (Impedance 10K)Sound Amplifiers
Helen Electronic Audio Store
100W*2 Stereo Audio Amplifier Board Symasym5-3 Discrete Component Power Amplifier Class AB NJW0302/0281 DC Dual 20V to dual 45V
Price: $36.02
Old Price: $41.4
GZLOZONE100W*2 Stereo Audio Amplifier Board Symasym5-3 Discrete Component Power Amplifier Class AB NJW0302/0281 DC Dual 20V to dual 45VSound Amplifiers
Helen Electronic Audio Store
Russia electro-harmonix EH 6922 Preamp Vacuum Tube Gold Pin ECC88 E88CC 6DJ8 6N11 Electron Tube HIFI Audio Vacuum Tube Amplifier
Price: $44.02
Old Price: $50.6
GZLOZONERussia electro-harmonix EH 6922 Preamp Vacuum Tube Gold Pin ECC88 E88CC 6DJ8 6N11 Electron Tube HIFI Audio Vacuum Tube AmplifierSound Amplifiers China
Helen Electronic Audio Store
APPJ Single End 6J1 + 6P6P（6V6） Tube Amplifier Kit DIY Board Class A Power AMP Hifi Vintage Audio DIY 3W+3W /voltage: 85-264Vac
Price: $88
Old Price: $101.15
GZLOZONEAPPJ Single End 6J1 + 6P6P（6V6） Tube Amplifier Kit DIY Board Class A Power AMP Hifi Vintage Audio DIY 3W+3W /voltage: 85-264VacSound Amplifiers
Helen Electronic Audio Store
Latest Line Magnetic Tube Amplifier LP-33 MM MC tube PHONO Amplifier ECC803sJJ *3 Independent power supply 20Hz~20kHz (-1.5dB)
Price: $1096.2
Old Price: $1260
GZLOZONELatest Line Magnetic Tube Amplifier LP-33 MM MC tube PHONO Amplifier ECC803sJJ *3 Independent power supply 20Hz~20kHz (-1.5dB)Sound Amplifiers
Helen Electronic Audio Store
Latest upgrade/Base On Japan Accuphase C3850 front stage/PCM5102A/CMC816u/ZTX450 ZTX550/Bluetooth 5.0/4 way inputs/JRC5534DD
Price: $299.98
Old Price: $344.8
GZLOZONELatest upgrade/Base On Japan Accuphase C3850 front stage/PCM5102A/CMC816u/ZTX450 ZTX550/Bluetooth 5.0/4 way inputs/JRC5534DDSound Amplifiers China
Helen Electronic Audio Store
Latest 300B hifi High power stereo 150W*2 Preamp + post amplifier Combined power amplifier 15hz-50khz, Input impedance: 47K
Price: $689.91
Old Price: $793
GZLOZONELatest 300B hifi High power stereo 150W*2 Preamp + post amplifier Combined power amplifier 15hz-50khz, Input impedance: 47KSound Amplifiers
Helen Electronic Audio Store
Latest arrival 2*400W Study Accuphase E-800 Integrated Amplifier Bi-wire Dual Output amplifier A+B A/B output switch
Price: $1150.14
Old Price: $1322
GZLOZONELatest arrival 2*400W Study Accuphase E-800 Integrated Amplifier Bi-wire Dual Output amplifier A+B A/B output switchSound Amplifiers
Helen Electronic Audio Store
Latest Semi-finished Pure Class A Power Amplifier Hifi Rectifier Filter Power Board Without Capacitance/Schottky 30CPQ150
Price: $34.79
Old Price: $40
GZLOZONELatest Semi-finished Pure Class A Power Amplifier Hifi Rectifier Filter Power Board Without Capacitance/Schottky 30CPQ150Sound Amplifiers China
Helen Electronic Audio Store
Latest Upgrade Stereo Power Amplifier Base On NAIM NAP250 Power Amp 80W*2 /Better than NAP150 NAP200 and LM3886
Price: $359.31
Old Price: $413
GZLOZONELatest Upgrade Stereo Power Amplifier Base On NAIM NAP250 Power Amp 80W*2 /Better than NAP150 NAP200 and LM3886Sound Amplifiers
Helen Electronic Audio Store
Latest upgrade LP MM&MC Phono Amplifier /MM/MC dual purpose amplifier/Finished product / One key switch MM/MC
Price: $206.07
GZLOZONELatest upgrade LP MM&MC Phono Amplifier /MM/MC dual purpose amplifier/Finished product / One key switch MM/MCSound Amplifiers
Helen Electronic Audio Store
Latest TeraDak SPi 2021 Player+ DSD512 lossless Digital Player Digital Turntable+ES9038 analog output。AC: 215~240V，AC: 100~115V
Price: $389.76
Old Price: $448
GZLOZONELatest TeraDak SPi 2021 Player+ DSD512 lossless Digital Player Digital Turntable+ES9038 analog output。AC: 215~240V，AC: 100~115VSound Amplifiers
Helen Electronic Audio Store
Latest arrival INA137PA dual-channel [balanced to single-ended] finished board/Power supply voltage: ±12 to ±18v recommended ±15
Price: $8.67
Old Price: $9.96
GZLOZONELatest arrival INA137PA dual-channel [balanced to single-ended] finished board/Power supply voltage: ±12 to ±18v recommended ±15Sound Amplifiers China
Helen Electronic Audio Store
Latest upgrade TJ Fullmusic 211SL Vacuum Tube Replace WE211 GE211 Tubes For Vintage Hifi Tube Audio AMP/ Test pairing OK/1 pair
Price: $598.55
Old Price: $688
GZLOZONELatest upgrade TJ Fullmusic 211SL Vacuum Tube Replace WE211 GE211 Tubes For Vintage Hifi Tube Audio AMP/ Test pairing OK/1 pairSound Amplifiers
Helen Electronic Audio Store
Latest upgrade / HIFI preamplifier of JRC5534 op amp High end Customized MBL6010D TOP Black Gold Edition MBL6010 Preamp
Price: $31
Old Price: $35.63
GZLOZONELatest upgrade / HIFI preamplifier of JRC5534 op amp High end Customized MBL6010D TOP Black Gold Edition MBL6010 PreampSound Amplifiers China
Helen Electronic Audio Store
Latest arrival Remote Preamp Volume Control 4-ways Audio Input Signal Selector Switching + Mute For HIFI Amplifier Board Upgrade
Price: $49
Old Price: $56.32
GZLOZONELatest arrival Remote Preamp Volume Control 4-ways Audio Input Signal Selector Switching + Mute For HIFI Amplifier Board UpgradeSound Amplifiers
Helen Electronic Audio Store
12w*2 MUZISHARE i3 Vacuum Tube Power Amplifier/Headphone Amplifier/Bluetooth/Class A Fever Tube Amplifier/6H2N-EB x2 6P1 x4
Price: $538.53
Old Price: $619
GZLOZONE12w*2 MUZISHARE i3 Vacuum Tube Power Amplifier/Headphone Amplifier/Bluetooth/Class A Fever Tube Amplifier/6H2N-EB x2 6P1 x4Sound Amplifiers
Helen Electronic Audio Store
ZEROZONE Latest upgrade HIFI MM RIAA Turntable Preamplifier EH12AX7 Tube Phono Amplifier Refer EAR834 Circuit/AC115V /AC230V
Price: $401.58
GZLOZONEZEROZONE Latest upgrade HIFI MM RIAA Turntable Preamplifier EH12AX7 Tube Phono Amplifier Refer EAR834 Circuit/AC115V /AC230VSound Amplifiers
Helen Electronic Audio Store
Latest upgrade/Base On Japan Accuphase Pure Power Amplifier/Post-level Amplifier/20W×2/ MJL4281A / MJL4302A/2SC2240 2SA970
Price: $487.2
Old Price: $560
GZLOZONELatest upgrade/Base On Japan Accuphase Pure Power Amplifier/Post-level Amplifier/20W×2/ MJL4281A / MJL4302A/2SC2240 2SA970Sound Amplifiers
Helen Electronic Audio Store
Latest upgrade /Pure class A HIFI preamplifier Dual parallel output reference Accuphase C200 Circuit amp/AC210v-240v
Price: $368.41
GZLOZONELatest upgrade /Pure class A HIFI preamplifier Dual parallel output reference Accuphase C200 Circuit amp/AC210v-240vSound Amplifiers
Helen Electronic Audio Store
Latest arrival/100W*2 class A KSA100MKII fever hifi pure post amplifier beyond Accuphase 405/Frequency response: 20HZ-20KHZ/220V
Price: $944.82
Old Price: $1086
GZLOZONELatest arrival/100W*2 class A KSA100MKII fever hifi pure post amplifier beyond Accuphase 405/Frequency response: 20HZ-20KHZ/220VSound Amplifiers
Helen Electronic Audio Store
NEW LM317 LM337 filter rectifier stabilized power supply board AC 25V*2/DC±12-35V finished board/ 25V3300uF, 3A rectifier bridge
Price: $13.92
Old Price: $16
GZLOZONENEW LM317 LM337 filter rectifier stabilized power supply board AC 25V*2/DC±12-35V finished board/ 25V3300uF, 3A rectifier bridgeSound Amplifiers
Helen Electronic Audio Store
Latest upgrade/Ceramic Seal OP42FZ FET Input High Speed Tube Sound Style Preamp Board/ALPS27 Potentiometer、±15v
Price: $16
Old Price: $18.39
GZLOZONELatest upgrade/Ceramic Seal OP42FZ FET Input High Speed Tube Sound Style Preamp Board/ALPS27 Potentiometer、±15vSound Amplifiers
Helen Electronic Audio Store
Based on BRYSTON 4B SST power amplifier circuit/1 pair DIY PCB board
Price: $24.73
GZLOZONEBased on BRYSTON 4B SST power amplifier circuit/1 pair DIY PCB boardSound Amplifiers
Helen Electronic Audio Store
Based on Accuphase C2810 Balanced front stage, Accuphase C2810 PCB blank board
Price: $67.86
Old Price: $78
GZLOZONEBased on Accuphase C2810 Balanced front stage, Accuphase C2810 PCB blank boardSound Amplifiers
Helen Electronic Audio Store
Latest arrival / Home Audio Tube Amplifier DIY Kits 5Z4P+6H8C+6P3P Stainless Steel Case Output 8W*2/Finished product
Price: $152.27
GZLOZONELatest arrival / Home Audio Tube Amplifier DIY Kits 5Z4P+6H8C+6P3P Stainless Steel Case Output 8W*2/Finished productSound Amplifiers
Helen Electronic Audio Store
NEW JLH 1969 Class A Power Amplifier Audio Board Dual Channel Preamplifier Headphone Amplifier Single Ended Pre AMP/Dual AC12V
Price: $27.3
GZLOZONENEW JLH 1969 Class A Power Amplifier Audio Board Dual Channel Preamplifier Headphone Amplifier Single Ended Pre AMP/Dual AC12VSound Amplifiers
Helen Electronic Audio Store
Latest upgrade 6N8P 6SN7 tube preamplifier 6Z5P bile rectifier, solid wood box hifi front bile preamp
Price: $130.93
Old Price: $150.5
GZLOZONELatest upgrade 6N8P 6SN7 tube preamplifier 6Z5P bile rectifier, solid wood box hifi front bile preampSound Amplifiers
Helen Electronic Audio Store
Latest upgrade 6J8P 6SJ7 bile preamp tube power amplifier/5Z4P 5Z3P/Double 300V 60MA high-voltage power supply
Price: $146.16
Old Price: $168
GZLOZONELatest upgrade 6J8P 6SJ7 bile preamp tube power amplifier/5Z4P 5Z3P/Double 300V 60MA high-voltage power supplySound Amplifiers
Helen Electronic Audio Store
ZEROZONE Latest arrival Based on Accuphase E350 C3850 HiFi Stereo 75WX2 Remote Control Power Amplifier Hi-End Home Preamplifier
Price: $403.17
GZLOZONEZEROZONE Latest arrival Based on Accuphase E350 C3850 HiFi Stereo 75WX2 Remote Control Power Amplifier Hi-End Home PreamplifierSound Amplifiers
Helen Electronic Audio Store
ZEROZONE Latest HiFi Stereo Remote PRT05A 12AX7 Tube Preamplifier Base On Conrad-Johnson CL Preamp/4 way input switching
Price: $261.26
GZLOZONEZEROZONE Latest HiFi Stereo Remote PRT05A 12AX7 Tube Preamplifier Base On Conrad-Johnson CL Preamp/4 way input switchingSound Amplifiers
Helen Electronic Audio Store
Latest upgrade PASS 2.0 single-ended class A preamp/reference American Perth MOS field effect tube amplifier
Price: $239.25
Old Price: $275
GZLOZONELatest upgrade PASS 2.0 single-ended class A preamp/reference American Perth MOS field effect tube amplifierSound Amplifiers
Helen Electronic Audio Store
Latest arrival Sales promotion NEW 6n9p+6p3p tube amplifier kit for DIY handmade pure lam/1*6H9C 2*6L6WGB 1*5U4
Price: $140
Old Price: $160.91
GZLOZONELatest arrival Sales promotion NEW 6n9p+6p3p tube amplifier kit for DIY handmade pure lam/1*6H9C 2*6L6WGB 1*5U4Sound Amplifiers
Helen Electronic Audio Store
High-power T330HiFi fever-grade gold-sealed tube/post-stage power amplifier board/adjustable pure class A/with rectifier circuit
Price: $282.66
GZLOZONEHigh-power T330HiFi fever-grade gold-sealed tube/post-stage power amplifier board/adjustable pure class A/with rectifier circuitSound Amplifiers
Helen Electronic Audio Store
For Weiliang A80 300B MonoBloc Tube Amp vertical mono bloc Amplifier Chassis
Price: $229.68
Old Price: $264
GZLOZONEFor Weiliang A80 300B MonoBloc Tube Amp vertical mono bloc Amplifier Chassis
Helen Electronic Audio Store
PCM1702 XA3PRO 4-chip dual parallel output USB fever DAC decoder 10Hz-22kHz +/-0.5dB 230V,50Hz/60Hz 32KHz，44.1KHz,48KHz,88.2KHz
Price: $408.9
Old Price: $470
GZLOZONEPCM1702 XA3PRO 4-chip dual parallel output USB fever DAC decoder 10Hz-22kHz +/-0.5dB 230V,50Hz/60Hz 32KHz，44.1KHz,48KHz,88.2KHzSound Amplifiers China
Helen Electronic Audio Store
Latest arrival BRZHIFI 6F2 pushes 6P1 single-ended Class A amplifier 3.8WX2 BRZHIFI Bluetooth 5.0 HIFI fever
Price: $94.83
Old Price: $109
GZLOZONELatest arrival BRZHIFI 6F2 pushes 6P1 single-ended Class A amplifier 3.8WX2 BRZHIFI Bluetooth 5.0 HIFI feverSound Amplifiers
Helen Electronic Audio Store
Latest Upgrade L.PASS 2 HIFI Fever MOS FET Front Level Four Input Amplifier,Pre amplifier, Amplifiers Audio HIFI,AC220V
Price: $147.9
Old Price: $170
GZLOZONELatest Upgrade L.PASS 2 HIFI Fever MOS FET Front Level Four Input Amplifier,Pre amplifier, Amplifiers Audio HIFI,AC220VSound Amplifiers
Helen Electronic Audio Store
Latest 10 pairs OF Toshiba Original 2SC5200 2SA1943 /Precision Matching
Price: $35.99
Old Price: $41.37
GZLOZONELatest 10 pairs OF Toshiba Original 2SC5200 2SA1943 /Precision MatchingSound Amplifiers
Helen Electronic Audio Store
Latest upgrade 100W Tube Radio/Tube FM Radio/Tube Radio Head FM87-108MHz
Price: $208.8
Old Price: $240
GZLOZONELatest upgrade 100W Tube Radio/Tube FM Radio/Tube Radio Head FM87-108MHzSound Amplifiers
Helen Electronic Audio Store
Latest upgrade SURE PGA2311 Digital Volume Control Pre-fever Amplified Tone Board 12V Finished HIFI - 95.5dB to 10dB
Price: $34.2
GZLOZONELatest upgrade SURE PGA2311 Digital Volume Control Pre-fever Amplified Tone Board 12V Finished HIFI - 95.5dB to 10dBSound Amplifiers
Helen Electronic Audio Store
Latest arrival Refer to Gaowen circuit, dual-channel, pure post-stage power amplifier, amplifier, output power: 120w*2/8 ohms
Price: $300.14
Old Price: $345
GZLOZONELatest arrival Refer to Gaowen circuit, dual-channel, pure post-stage power amplifier, amplifier, output power: 120w*2/8 ohmsSound Amplifiers
Helen Electronic Audio Store
Hifi EL84 Parallel Single-Ended Class A Tube Amplifier PCB With PSU Board PCB / 0-AC250V @350MA 0-6.3V @4A
Price: $25
Old Price: $28.73
GZLOZONEHifi EL84 Parallel Single-Ended Class A Tube Amplifier PCB With PSU Board PCB / 0-AC250V @350MA 0-6.3V @4ASound Amplifiers
Helen Electronic Audio Store
22W+22W MUZISHARE X10 Dual Tube Rectifier Integrated Lamp Amp with Phono Stage Pure power Amplifier 6SL7×2 6SN7×2 KT150×2 5Z3P*2
Price: $2247.75
GZLOZONE22W+22W MUZISHARE X10 Dual Tube Rectifier Integrated Lamp Amp with Phono Stage Pure power Amplifier 6SL7×2 6SN7×2 KT150×2 5Z3P*2Sound Amplifiers
Helen Electronic Audio Store
（2PCS）MP-702 6C33C OTL 100W split monophonic tube bile amplifier Power Amplifier 4 x 6C33C,2 x 6J8Por 6SJ7, 1*12AX7 120/240 VAC
Price: $2657.09
GZLOZONE（2PCS）MP-702 6C33C OTL 100W split monophonic tube bile amplifier Power Amplifier 4 x 6C33C,2 x 6J8Por 6SJ7, 1*12AX7 120/240 VACSound Amplifiers
Helen Electronic Audio Store
Latest upgrade version 2A3 push-pull tube amplifier, 300B push-pull tube amplifier, output power 12W*2, 20W*2
Price: $780.39
Old Price: $897
GZLOZONELatest upgrade version 2A3 push-pull tube amplifier, 300B push-pull tube amplifier, output power 12W*2, 20W*2Sound Amplifiers
Helen Electronic Audio Store
Latest Musical Paradise 50W Class D Intergrated Amplifier USB DAC Digital Amp MP-303 Built-in Tube & Transistor GE 5670
Price: $182.7
Old Price: $210
GZLOZONELatest Musical Paradise 50W Class D Intergrated Amplifier USB DAC Digital Amp MP-303 Built-in Tube & Transistor GE 5670
Helen Electronic Audio Store
BRZHIFI Fever Full Balanced Remote Control Amplifier 1875 Upgraded Version Home Class A and B Bluetooth 8675ap IC: 5532*5 5534*2
Price: $174.87
Old Price: $201
GZLOZONEBRZHIFI Fever Full Balanced Remote Control Amplifier 1875 Upgraded Version Home Class A and B Bluetooth 8675ap IC: 5532*5 5534*2Sound Amplifiers
Helen Electronic Audio Store
Latest arrival MG2 High Voltage Class A HIFI Fever Portable HeadphoneAmplifier /Headphone Amplifier 8 Hours/2Hz-72KHz (-3dB)
Price: $45.99
Old Price: $52.86
GZLOZONELatest arrival MG2 High Voltage Class A HIFI Fever Portable HeadphoneAmplifier /Headphone Amplifier 8 Hours/2Hz-72KHz (-3dB)Sound Amplifiers
Helen Electronic Audio Store
Latest arrival Assembled HiFi 128 Steps Balanced Remote Volume Control Board Relay Pure Resistor Preamp Board AC110V/ AC220V
Price: $66.12
Old Price: $76
GZLOZONELatest arrival Assembled HiFi 128 Steps Balanced Remote Volume Control Board Relay Pure Resistor Preamp Board AC110V/ AC220V
Helen Electronic Audio Store
Latest Arrival MP500 EH6922 Tube With Tone / Compatible with E88CC /hifi balanced bile preamp/ 5Hz-50KHz (plus or minus 1dB)
Price: $769.95
Old Price: $885
GZLOZONELatest Arrival MP500 EH6922 Tube With Tone / Compatible with E88CC /hifi balanced bile preamp/ 5Hz-50KHz (plus or minus 1dB)Sound Amplifiers
Helen Electronic Audio Store
Latest Upgrade C2850 Preamplifier Pre AMP Preamp fully Balanced preamp XLR Output AC 110V / 220V 50 / 60 Hz 600 ohms
Price: $1741.34
GZLOZONELatest Upgrade C2850 Preamplifier Pre AMP Preamp fully Balanced preamp XLR Output AC 110V / 220V 50 / 60 Hz 600 ohmsSound Amplifiers
Helen Electronic Audio Store
Latest MODEL20 zero decibel imported 6922 tube amplifier preamplifier/ 6922/E88CC/Frequency response: 0.5Hz~22MHz (+0dB -3dB)
Price: $248.82
Old Price: $286
GZLOZONELatest MODEL20 zero decibel imported 6922 tube amplifier preamplifier/ 6922/E88CC/Frequency response: 0.5Hz~22MHz (+0dB -3dB)Sound Amplifiers
Helen Electronic Audio Store
Latest upgrade PT-50 hifi Fever tube preamplifier reference classic Matisse Fantasy circuit/ 12AT7 12AX7 Tube
Price: $431.31
GZLOZONELatest upgrade PT-50 hifi Fever tube preamplifier reference classic Matisse Fantasy circuit/ 12AT7 12AX7 TubeSound Amplifiers
Helen Electronic Audio Store
Latest upgrade 6N2 push 6P14 / EL84 tube power amplifier, 3.5W * 2 low power amplifier, sweet voice 20-30KHz ±2db
Price: $119.19
Old Price: $137
GZLOZONELatest upgrade 6N2 push 6P14 / EL84 tube power amplifier, 3.5W * 2 low power amplifier, sweet voice 20-30KHz ±2dbSound Amplifiers
Helen Electronic Audio Store
Latest arrival LS32 Tube Preamplifier Finished Board 6H30 Tube Amplification(No Tubes) 220MM× 155MM
Price: $41.99
Old Price: $48.26
GZLOZONELatest arrival LS32 Tube Preamplifier Finished Board 6H30 Tube Amplification(No Tubes) 220MM× 155MMSound Amplifiers
Helen Electronic Audio Store