Helen Electronic Audio Goods

Latest Finished Reference Conrad-Johnson PV12 circuit 12AU7 tube preamplifier 3 road inputs 1road output amplifier
Price: $267.82
GZLOZONELatest Finished Reference Conrad-Johnson PV12 circuit 12AU7 tube preamplifier 3 road inputs 1road output amplifierSound Amplifiers
Helen Electronic Audio Store
2020 S.S linear power supply ultra low noise large dynamic 5-20V @4A high current - with overpressure protection
Price: $91.35
Old Price: $105
GZLOZONE2020 S.S linear power supply ultra low noise large dynamic 5-20V @4A high current - with overpressure protectionSound Amplifiers
Helen Electronic Audio Store
NEW Sparta X1 Vacuum Tube Power Amp HiFi 6N9P+EL34+5Z3P Tube Amplifier with VU meter DIY kit finished amp for choose
Price: $136.59
Old Price: $157
GZLOZONENEW Sparta X1 Vacuum Tube Power Amp HiFi 6N9P+EL34+5Z3P Tube Amplifier with VU meter DIY kit finished amp for chooseSound Amplifiers
Helen Electronic Audio Store
ZEROZONE WM AUDIO M1000 Dual Channel 64W + 64W Fever Class A Post-amplifier
Price: $3199.86
Old Price: $3678
GZLOZONEZEROZONE WM AUDIO M1000 Dual Channel 64W + 64W Fever Class A Post-amplifierSound Amplifiers
Helen Electronic Audio Store
Latest arrival HIFI Forum 10th Anniversary Philips TDA1541 DAC decoder board PCB blank board
Price: $29.58
Old Price: $34
GZLOZONELatest arrival HIFI Forum 10th Anniversary Philips TDA1541 DAC decoder board PCB blank boardSound Amplifiers China
Helen Electronic Audio Store
Latest Arrival Dual PCM1794 HiFi DAC Optical Coaxial 24bit PCM1794A DAC OPA1612 OPAMP For Audio CD Player
Price: $74.81
Old Price: $86
GZLOZONELatest Arrival Dual PCM1794 HiFi DAC Optical Coaxial 24bit PCM1794A DAC OPA1612 OPAMP For Audio CD PlayerSound Amplifiers China
Helen Electronic Audio Store
NEW EL34B Single Ended Tube Amplifier 5Z2P Rectifier 6N1 Tube Hifi Audio Vacuum Tube Pwer Amplifier
Price: $155.72
Old Price: $179
GZLOZONENEW EL34B Single Ended Tube Amplifier 5Z2P Rectifier 6N1 Tube Hifi Audio Vacuum Tube Pwer AmplifierSound Amplifiers
Helen Electronic Audio Store
Zerozone Finished Classic reproduce HD-8-A1-PRO Headphone amplifier Base on Third generation baya A1 circuit
Price: $83.52
Old Price: $96
GZLOZONEZerozone Finished Classic reproduce HD-8-A1-PRO Headphone amplifier Base on Third generation baya A1 circuitHeadphone Amplifiers
Helen Electronic Audio Store
TeraDak Reference RA1 Goethe Amplifier Grado Amp MIT Capacitor AC Version
Price: $117.45
Old Price: $135
GZLOZONETeraDak Reference RA1 Goethe Amplifier Grado Amp MIT Capacitor AC VersionHeadphone Amplifiers
Helen Electronic Audio Store
1000W 1500W high power amplifier switching power supply full bridge stabilized stage power amplifier instead of ring transformer
Price: $52.41
GZLOZONE1000W 1500W high power amplifier switching power supply full bridge stabilized stage power amplifier instead of ring transformerSound Amplifiers
Helen Electronic Audio Store
NEWGG-PSU Dual 200V/Dual 280V Version High Voltage Dual Voltage Regulator + Filament Regulator Power Supply Board DIY KITS Board
Price: $20.41
Old Price: $23.46
GZLOZONENEWGG-PSU Dual 200V/Dual 280V Version High Voltage Dual Voltage Regulator + Filament Regulator Power Supply Board DIY KITS BoardSound Amplifiers
Helen Electronic Audio Store
NEW Clone B 933 Power Amp Current Feedback Amplifier DIY KIT /Finished Board
Price: $26.1
Old Price: $30
GZLOZONENEW Clone B 933 Power Amp Current Feedback Amplifier DIY KIT /Finished BoardSound Amplifiers
Helen Electronic Audio Store
NEW Finished Hifi HW038B MBL6010D Preamplifier Base On MBL6010D Preamp with remote control
Price: $209.67
Old Price: $241
GZLOZONENEW Finished Hifi HW038B MBL6010D Preamplifier Base On MBL6010D Preamp with remote controlSound Amplifiers China
Helen Electronic Audio Store
GZLOZONE Lehmann HV-4 Amplifier Board With ALPS 27 Type Potentiometer
Price: $33.02
Old Price: $37.95
GZLOZONEGZLOZONE Lehmann HV-4 Amplifier Board With ALPS 27 Type PotentiometerSound Amplifiers China
Helen Electronic Audio Store
GG-PRE AMP Ground Grid gg 12AU7 Vacuum tube preamplifier PCB
Price: $10
Old Price: $11.5
GZLOZONEGG-PRE AMP Ground Grid gg 12AU7 Vacuum tube preamplifier PCBSound Amplifiers China
Helen Electronic Audio Store
NEW Xiangsheng H-80B III Tube Mosfet Hybrid Amplifier HIFI 12AT7 12AU7 preamp tube H80B AMP
Price: $299.76
GZLOZONENEW Xiangsheng H-80B III Tube Mosfet Hybrid Amplifier HIFI 12AT7 12AU7 preamp tube H80B AMPSound Amplifiers China
Helen Electronic Audio Store
1PC NEW ShuGuang EL84 Tube Replace 6P14 9PINS TElectron Tube Free Shipping
Price: $26.01
Old Price: $29.9
GZLOZONE1PC NEW ShuGuang EL84 Tube Replace 6P14 9PINS TElectron Tube Free ShippingSound Amplifiers China
Helen Electronic Audio Store
2021 XiangSheng DAC-06A AK4495 Tube DAC Balance XMOS HD Exterior Sound Card Headphone Amp DAC06A /Balance with remote control
Price: $170.08
Old Price: $195.5
GZLOZONE2021 XiangSheng DAC-06A AK4495 Tube DAC Balance XMOS HD Exterior Sound Card Headphone Amp DAC06A /Balance with remote controlSound Amplifiers China
Helen Electronic Audio Store
2021 Latest arrival DC500 AK4499 dual-core decoder DAC fully balanced HIEND flagship Bluetooth LDAC
Price: $1282.47
GZLOZONE2021 Latest arrival DC500 AK4499 dual-core decoder DAC fully balanced HIEND flagship Bluetooth LDACSound Amplifiers
Helen Electronic Audio Store
Latest Arrival 1 Pair Finished T350 HiFi 300W+300W Gold Seal High Power Split Post Amplifier Reference GOLDMUND Telos 350 Cir
Price: $1065.53
GZLOZONELatest Arrival 1 Pair Finished T350 HiFi 300W+300W Gold Seal High Power Split Post Amplifier Reference GOLDMUND Telos 350 CirSound Amplifiers China
Helen Electronic Audio Store
Latest arrival PASS A5 single end class a power amplifier HIFI 70W+70W power amplifier
Price: $689.91
Old Price: $793
GZLOZONELatest arrival PASS A5 single end class a power amplifier HIFI 70W+70W power amplifier
Helen Electronic Audio Store
Latest arrival L1969se 8W pure class a power amplifier amp integrated machine
Price: $57.74
GZLOZONELatest arrival L1969se 8W pure class a power amplifier amp integrated machineSound Amplifiers China
Helen Electronic Audio Store
Latest Arrival LM3886 OR TDA7293 Scaffolding Power Amplifier, Power 60w+60w OR 100+100w
Price: $37.4
Old Price: $43
GZLOZONELatest Arrival LM3886 OR TDA7293 Scaffolding Power Amplifier, Power 60w+60w OR 100+100wSound Amplifiers China
Helen Electronic Audio Store
Reference Accuphase C3850 Preamplifier HiFi 3-way Input Pre-Amp Black or Silver Finished ZTX450 ZTX550 NE5534
Price: $114.84
Old Price: $132
GZLOZONEReference Accuphase C3850 Preamplifier HiFi 3-way Input Pre-Amp Black or Silver Finished ZTX450 ZTX550 NE5534Sound Amplifiers China
Helen Electronic Audio Store
NEW 10pcs AD797SQ/883B Single OP Amp Ceramic Seal Upgrade 797ANZ OPA604AP LME49710HA SE5534AFE
Price: $23.05
Old Price: $26.5
GZLOZONENEW 10pcs AD797SQ/883B Single OP Amp Ceramic Seal Upgrade 797ANZ OPA604AP LME49710HA SE5534AFESound Amplifiers China
Helen Electronic Audio Store
NEW 12AU7/12AX7+6Z4 Tube Preamplifier Reference Marantz 7 Circuit finished board/kit
Price: $17.5
GZLOZONENEW 12AU7/12AX7+6Z4 Tube Preamplifier Reference Marantz 7 Circuit finished board/kitSound Amplifiers China
Helen Electronic Audio Store
Bluetooth 5.0 Stereo Amplifier 100W+100W USB Audio Card Power Amplifier HiFi Class D Amplifiers AMP35
Price: $169.65
Old Price: $195
GZLOZONEBluetooth 5.0 Stereo Amplifier 100W+100W USB Audio Card Power Amplifier HiFi Class D Amplifiers AMP35Sound Amplifiers
Helen Electronic Audio Store
ZEROZONE HIFI JLH HOOD1969 Class A Headphone Amplifier / Amp (110V/220V) Finished
Price: $76
GZLOZONEZEROZONE HIFI JLH HOOD1969 Class A Headphone Amplifier / Amp (110V/220V) FinishedHeadphone Amplifiers
Helen Electronic Audio Store
Latest styles A pair Mona Monobloc 845 tube amplifier with 300B driver Class A mono block amp RH845 300M for one bloc
Price: $1856.34
GZLOZONELatest styles A pair Mona Monobloc 845 tube amplifier with 300B driver Class A mono block amp RH845 300M for one blocSound Amplifiers
Helen Electronic Audio Store
Latest Reference GOLDMUND HAFLER Circuit Integrate Amplifier With FM155 Preamp Power Amplifier 150W*2 8Ω/ 280W*2 4Ω
Price: $739.5
Old Price: $850
GZLOZONELatest Reference GOLDMUND HAFLER Circuit Integrate Amplifier With FM155 Preamp Power Amplifier 150W*2 8Ω/ 280W*2 4Ω
Helen Electronic Audio Store
Latest arrival preamplifier hifi tube preamp fever balance amplifier preamp MKP 6H3n-N Mundorf Mcap EVO oil
Price: $752.42
GZLOZONELatest arrival preamplifier hifi tube preamp fever balance amplifier preamp MKP 6H3n-N Mundorf Mcap EVO oilSound Amplifiers
Helen Electronic Audio Store
Latest arrival MA360 Class AB HIFI 250W*2 High-power post amplifier 100V, 120V, 220V, 230V or 240V at 50 or 60 Hz
Price: $2066.58
GZLOZONELatest arrival MA360 Class AB HIFI 250W*2 High-power post amplifier 100V, 120V, 220V, 230V or 240V at 50 or 60 HzSound Amplifiers
Helen Electronic Audio Store
Latest upgrade HIFI Electronical 3 Way Crossover PCB ClassA Power Linkwitz-Riley filter 6-Channel Crossover-point 310HZ/3.1KHz
Price: $27.84
Old Price: $32
GZLOZONELatest upgrade HIFI Electronical 3 Way Crossover PCB ClassA Power Linkwitz-Riley filter 6-Channel Crossover-point 310HZ/3.1KHzSound Amplifiers
Helen Electronic Audio Store
2021 Latest arrival AM-50 Hi-Fi Power Amplifier 80Wx2 Class A finished Amplifier AM-50 4 way hifi amplifier
Price: $211.41
Old Price: $243
GZLOZONE2021 Latest arrival AM-50 Hi-Fi Power Amplifier 80Wx2 Class A finished Amplifier AM-50 4 way hifi amplifierSound Amplifiers
Helen Electronic Audio Store
NEW Reference Audio research LS22 circuit PA-03 Tube Preamplifier ARC LS22 Dual VU Meter 6N11 6922 Fully Balanced Japan Z11 EI86
Price: $578.55
GZLOZONENEW Reference Audio research LS22 circuit PA-03 Tube Preamplifier ARC LS22 Dual VU Meter 6N11 6922 Fully Balanced Japan Z11 EI86Sound Amplifiers
Helen Electronic Audio Store
Latest Upgrade A5 UPC1342V + 2SC5200 2SA1943 150w * 2 Dual Channel Amplifier Board AC18X2--AC36X2
Price: $20.01
Old Price: $23
GZLOZONELatest Upgrade A5 UPC1342V + 2SC5200 2SA1943 150w * 2 Dual Channel Amplifier Board AC18X2--AC36X2Sound Amplifiers
Helen Electronic Audio Store
Latest arrival audio PR-22 PR-22 Combined Excitation Power ( 3 ways ) EL-6C/EQ1-6/0.3 adjustable WE 4144 DC10-24V/3-10V (0.2-2A)
Price: $3306
Old Price: $3800
GZLOZONELatest arrival audio PR-22 PR-22 Combined Excitation Power ( 3 ways ) EL-6C/EQ1-6/0.3 adjustable WE 4144 DC10-24V/3-10V (0.2-2A)
Helen Electronic Audio Store
2021 NEW YAQIN MS-6P14 Bluetooth 5.0 tube amplifier 12AX7 12AU7 6n14n CSR8675 HiFi desktop audio aptX HD with remote control
Price: $746.46
Old Price: $858
GZLOZONE2021 NEW YAQIN MS-6P14 Bluetooth 5.0 tube amplifier 12AX7 12AU7 6n14n CSR8675 HiFi desktop audio aptX HD with remote control
Helen Electronic Audio Store
Latest upgraded A1 2*100W front gallbladder back stone HiFi retro Bluetooth fever amplifier, FREQUENCY RESPONSE: 20-20 KHZ
Price: $1052.7
Old Price: $1210
GZLOZONELatest upgraded A1 2*100W front gallbladder back stone HiFi retro Bluetooth fever amplifier, FREQUENCY RESPONSE: 20-20 KHZSound Amplifiers
Helen Electronic Audio Store
NEW 6V6 10W ultra linear push-pull amplifier stereo PCB board LG183, also suitable for pushing 6P6P, 6P3P, 6CA7, KT66, EL34
Price: $21.75
Old Price: $25
GZLOZONENEW 6V6 10W ultra linear push-pull amplifier stereo PCB board LG183, also suitable for pushing 6P6P, 6P3P, 6CA7, KT66, EL34Sound Amplifiers
Helen Electronic Audio Store
Latest upgrade DIR9001+SM5813+SAA7350+TDA1547 DAC board 16Bit 48Khz Better than TDA1541 Finished machine
Price: $147.03
Old Price: $169
GZLOZONELatest upgrade DIR9001+SM5813+SAA7350+TDA1547 DAC board 16Bit 48Khz Better than TDA1541 Finished machineSound Amplifiers
Helen Electronic Audio Store
Latest Upgrade FM711 Amplifier board , complete board，With balanced input module
Price: $498.51
Old Price: $573
GZLOZONELatest Upgrade FM711 Amplifier board , complete board，With balanced input moduleSound Amplifiers
Helen Electronic Audio Store
5.4W*2 6N2 push 6P13P tube amplifier, pure bile rectifier 6p13p amplifier 6p13p class A single-ended amplifier 40hz-20khz
Price: $102.66
Old Price: $118
GZLOZONE5.4W*2 6N2 push 6P13P tube amplifier, pure bile rectifier 6p13p amplifier 6p13p class A single-ended amplifier 40hz-20khzSound Amplifiers China
Helen Electronic Audio Store
Latest upgrade 2A3 2A3C/300B single-ended tube amplifier, tube amplifier, equipped with Sugon 5Z3PA tube Russia 6H9*2
Price: $477.63
Old Price: $549
GZLOZONELatest upgrade 2A3 2A3C/300B single-ended tube amplifier, tube amplifier, equipped with Sugon 5Z3PA tube Russia 6H9*2
Helen Electronic Audio Store
Latest upgrade HIFI MBL6010D Preamp Tone audio Board Pre-signal Buffer Amplifier Board NE5532, NE5534 and OPA 15V-18V
Price: $26.97
Old Price: $31
GZLOZONELatest upgrade HIFI MBL6010D Preamp Tone audio Board Pre-signal Buffer Amplifier Board NE5532, NE5534 and OPA 15V-18VSound Amplifiers China
Helen Electronic Audio Store
MP-501 V5 KT120 KT150 Vacuum Tube single-ended parallel Class A bile machine power amplifier supports 4-8Ω speakers 20-20Khz
Price: $1599.93
Old Price: $1839
GZLOZONEMP-501 V5 KT120 KT150 Vacuum Tube single-ended parallel Class A bile machine power amplifier supports 4-8Ω speakers 20-20KhzSound Amplifiers
Helen Electronic Audio Store
Latest BP26 Preamp Circuit PCB Board Balance Preamp Board With Output Delay Circuit AC10-12V
Price: $24.01
Old Price: $27.6
GZLOZONELatest BP26 Preamp Circuit PCB Board Balance Preamp Board With Output Delay Circuit AC10-12VSound Amplifiers
Helen Electronic Audio Store
Latest RD38 Dual 9038 Q2M Raspberry Pi Pi4 Network Player Coaxial Fiber IIS I2S DAC Qplay AirPlay DLNA/UPNP ROON DSD DSD64 / 128
Price: $231.81
GZLOZONELatest RD38 Dual 9038 Q2M Raspberry Pi Pi4 Network Player Coaxial Fiber IIS I2S DAC Qplay AirPlay DLNA/UPNP ROON DSD DSD64 / 128Sound Amplifiers China
Helen Electronic Audio Store
High gain amplifier/phono phono amplifier/MM moving magnet MC moving coil tube vinyl Class A single-ended fever/MM 46dB，MC 66dB
Price: $495.9
Old Price: $570
GZLOZONEHigh gain amplifier/phono phono amplifier/MM moving magnet MC moving coil tube vinyl Class A single-ended fever/MM 46dB，MC 66dBSound Amplifiers China
Helen Electronic Audio Store
MM phono、HIFI tube pre-amplifier with all aluminum remote control,6N7p(6z5p)*2,6n8p(6H8c)*2,12AT7*1,6N4(12Ax7)*1
Price: $523
GZLOZONEMM phono、HIFI tube pre-amplifier with all aluminum remote control,6N7p(6z5p)*2,6n8p(6H8c)*2,12AT7*1,6N4(12Ax7)*1Sound Amplifiers
Helen Electronic Audio Store
Latest arrival Audiophile 0DB power amplifier board Class A voltage: dual 18 to dual 42V (AC) /single 12 to single 15V (AC)
Price: $27.84
Old Price: $32
GZLOZONELatest arrival Audiophile 0DB power amplifier board Class A voltage: dual 18 to dual 42V (AC) /single 12 to single 15V (AC)Sound Amplifiers
Helen Electronic Audio Store
1 Pair HiFi PASS F4 Amplifier Bare PCB DIY PASS F4 Amp PCB board、 2 channels、PCB Size: 33 x3.8CM
Price: $21.99
Old Price: $25.28
GZLOZONE1 Pair HiFi PASS F4 Amplifier Bare PCB DIY PASS F4 Amp PCB board、 2 channels、PCB Size: 33 x3.8CMSound Amplifiers China
Helen Electronic Audio Store
Latest MX100 A1943 TTC5200 Dual Channel Integrated AMP Amplifier Board w/Power Supply and Speaker Protection Board
Price: $24.36
Old Price: $28
GZLOZONELatest MX100 A1943 TTC5200 Dual Channel Integrated AMP Amplifier Board w/Power Supply and Speaker Protection BoardSound Amplifiers
Helen Electronic Audio Store
Latest upgrade DIY Kit AudioResearch ARC Tube Preamplifier Balanced/RCA IN&OUT,12AU7/ECC83+ECC88/6DJ8 Preamp
Price: $118.32
Old Price: $136
GZLOZONELatest upgrade DIY Kit AudioResearch ARC Tube Preamplifier Balanced/RCA IN&OUT,12AU7/ECC83+ECC88/6DJ8 PreampSound Amplifiers
Helen Electronic Audio Store
Latest arrival Single-ended 2.5K/3.5K/4Ω8Ω output transformer wound by American WE3068 iron core/1Hz~32KHz~3db.15Hz~20KHz -1.3db
Price: $234.9
Old Price: $270
GZLOZONELatest arrival Single-ended 2.5K/3.5K/4Ω8Ω output transformer wound by American WE3068 iron core/1Hz~32KHz~3db.15Hz~20KHz -1.3dbSound Amplifiers China
Helen Electronic Audio Store
Original MUSES03 OP-Amp Single Amp Muses03 Operational Amplification Chip 100% New original Replace OPA627 AD797ANZ
Price: $30.01
Old Price: $34.5
GZLOZONEOriginal MUSES03 OP-Amp Single Amp Muses03 Operational Amplification Chip 100% New original Replace OPA627 AD797ANZSound Amplifiers
Helen Electronic Audio Store
Latest upgrade130W Raphaelite CS30 MKII 300B Tube Amplifier HIFI CS30MKII Integrated Single-ended Lamp AMP with Remote CS30-MKII
Price: $1164.93
Old Price: $1339
GZLOZONELatest upgrade130W Raphaelite CS30 MKII 300B Tube Amplifier HIFI CS30MKII Integrated Single-ended Lamp AMP with Remote CS30-MKIISound Amplifiers
Helen Electronic Audio Store
Latest arrival YAQIN MS-2A3 pure tube amplifier/HIFI combined push-pull power amplifier/use SRPP circuit/2A3*4 12AU7*2 12AX7*2
Price: $1060.51
GZLOZONELatest arrival YAQIN MS-2A3 pure tube amplifier/HIFI combined push-pull power amplifier/use SRPP circuit/2A3*4 12AU7*2 12AX7*2Sound Amplifiers China
Helen Electronic Audio Store
Latest MC368-B902 KT88 EL34 Tube Amp Integrated Single-Ended Lamp Amplifier/with Remote/KT88/EL34x2, 274B x1 (rectified)
Price: $823.02
Old Price: $946
GZLOZONELatest MC368-B902 KT88 EL34 Tube Amp Integrated Single-Ended Lamp Amplifier/with Remote/KT88/EL34x2, 274B x1 (rectified)Sound Amplifiers China
Helen Electronic Audio Store
Latest upgrade Tube radio / radio / FM radio, /l stereo FM Kit frequency 88-108MHz 230V-0-230VA
Price: $97.44
Old Price: $112
GZLOZONELatest upgrade Tube radio / radio / FM radio, /l stereo FM Kit frequency 88-108MHz 230V-0-230VASound Amplifiers
Helen Electronic Audio Store