Helen Electronic Audio Goods

TDA7293 2.1 Channel (High Capacity) Power Amplifier Board/Output power: 80W * 2 (left and right channel) + 160W (8Ω subwoofer
Price: $50.11
Old Price: $57.6
GZLOZONETDA7293 2.1 Channel (High Capacity) Power Amplifier Board/Output power: 80W * 2 (left and right channel) + 160W (8Ω subwooferSound Amplifiers
Helen Electronic Audio Store
Latest upgrade Finished 900W Mono Hifi Class D Audio Power Amplifier IRS2092 +IRFB4227 Amplifier
Price: $217.16
GZLOZONELatest upgrade Finished 900W Mono Hifi Class D Audio Power Amplifier IRS2092 +IRFB4227 AmplifierSound Amplifiers China
Helen Electronic Audio Store
Latest arrival 1:1 clone Mcintosh MC275 classic HIFI tube power amplifier/75W*2/110V/220V/ KT88*4, 12AX7*3, 12AT7*4/Green light
Price: $1679.97
Old Price: $1931
GZLOZONELatest arrival 1:1 clone Mcintosh MC275 classic HIFI tube power amplifier/75W*2/110V/220V/ KT88*4, 12AX7*3, 12AT7*4/Green lightSound Amplifiers China
Helen Electronic Audio Store
Latest arrival 12AX7+6P6P(6V6GT) Tube Amplifier Computer Audio 3.5W*2 /8 ohm Desktop Low Power Amplifier Finished Machine
Price: $173.75
GZLOZONELatest arrival 12AX7+6P6P(6V6GT) Tube Amplifier Computer Audio 3.5W*2 /8 ohm Desktop Low Power Amplifier Finished MachineSound Amplifiers China
Helen Electronic Audio Store
AC 230-280 M77 Tube Phono Preamplifier PREAMP W/ Phono Stage Stereo Valve Preamp Board DIY Kit Refere Fancy KONDO AUDIONOTE M77
Price: $97.44
Old Price: $112
GZLOZONEAC 230-280 M77 Tube Phono Preamplifier PREAMP W/ Phono Stage Stereo Valve Preamp Board DIY Kit Refere Fancy KONDO AUDIONOTE M77Sound Amplifiers
Helen Electronic Audio Store
2021 Latest upgrade YAQIN 23*2 MC-5881A Vacuum Tube 5881A Power Amplifier HI-FI Integrated Valve Audio Amplifier 110~240V
Price: $448.92
Old Price: $516
GZLOZONE2021 Latest upgrade YAQIN 23*2 MC-5881A Vacuum Tube 5881A Power Amplifier HI-FI Integrated Valve Audio Amplifier 110~240V
Helen Electronic Audio Store
Latest upgrade MP-BERRY V2 Digital Music Server Lossless Music Player HiFi Music Player MP-BERRY V2 with Fly Air Mouse INTEL
Price: $548.97
Old Price: $631
GZLOZONELatest upgrade MP-BERRY V2 Digital Music Server Lossless Music Player HiFi Music Player MP-BERRY V2 with Fly Air Mouse INTEL
Helen Electronic Audio Store
Latest upgrade Clone America Rogue99 Tube Preamplifier Board (Can Use 6SN7 6N8P) 280V-0-280V
Price: $105.27
Old Price: $121
GZLOZONELatest upgrade Clone America Rogue99 Tube Preamplifier Board (Can Use 6SN7 6N8P) 280V-0-280VSound Amplifiers China
Helen Electronic Audio Store
Latest upgrade DIY Hiend L3 RIAA MM Tube Phono Amplifier Board PCB + Power Supply PCB 139mm*132mm
Price: $33.93
Old Price: $39
GZLOZONELatest upgrade DIY Hiend L3 RIAA MM Tube Phono Amplifier Board PCB + Power Supply PCB 139mm*132mmSound Amplifiers
Helen Electronic Audio Store
NEW 300B single-ended amplifier J version, SV-300 6SN7 push 300B, manual scaffolding/300B*2, 6SN7*2, 5U4GB*1/8W+8W pure class A
Price: $495.03
Old Price: $569
GZLOZONENEW 300B single-ended amplifier J version, SV-300 6SN7 push 300B, manual scaffolding/300B*2, 6SN7*2, 5U4GB*1/8W+8W pure class ASound Amplifiers China
Helen Electronic Audio Store
Latest 60W PASS A5 Class A Power Amplifier Board KIT, The Sound is very good, Each section is balanced, DC±34V
Price: $33.06
Old Price: $38
GZLOZONELatest 60W PASS A5 Class A Power Amplifier Board KIT, The Sound is very good, Each section is balanced, DC±34VSound Amplifiers
Helen Electronic Audio Store
NEW Dual Channel Preamp Linkwitz-Riley Filter 4 Ways Frequency Divider Board 72hz-7230hz Crossover-point Adjustable 12V DC
Price: $66
Old Price: $75.86
GZLOZONENEW Dual Channel Preamp Linkwitz-Riley Filter 4 Ways Frequency Divider Board 72hz-7230hz Crossover-point Adjustable 12V DCSound Amplifiers
Helen Electronic Audio Store
NEW Amorphous iron core wide frequency response 600Ω:15K 5 times step-up transformer 24 gear volume transformer finished machine
Price: $254.91
Old Price: $293
GZLOZONENEW Amorphous iron core wide frequency response 600Ω:15K 5 times step-up transformer 24 gear volume transformer finished machineSound Amplifiers
Helen Electronic Audio Store
Latest Upgrade Amplifier Pre-stage 6N11 6922 HIFI Tube Amplifier Pre-amplifier 80W 6N2 tube X2, 6922 tube X2
Price: $528.96
Old Price: $608
GZLOZONELatest Upgrade Amplifier Pre-stage 6N11 6922 HIFI Tube Amplifier Pre-amplifier 80W 6N2 tube X2, 6922 tube X2Sound Amplifiers
Helen Electronic Audio Store
Latest Upgrade AK4495SEQ + WM8805 + PCM2706 + AD827 DAC fiber coaxial USB decoder board support 32BIT 384K/ 192KHZ 96KHZ
Price: $112.23
Old Price: $129
GZLOZONELatest Upgrade AK4495SEQ + WM8805 + PCM2706 + AD827 DAC fiber coaxial USB decoder board support 32BIT 384K/ 192KHZ 96KHZ
Helen Electronic Audio Store
400W*2 4Ω-8Ω/220V power amplifier high-power home audio HiFi power amplifier fever power amplifier/KTV Kara OK/With bluetooth
Price: $42.63
Old Price: $49
GZLOZONE400W*2 4Ω-8Ω/220V power amplifier high-power home audio HiFi power amplifier fever power amplifier/KTV Kara OK/With bluetoothSound Amplifiers
Helen Electronic Audio Store
NEW Dual Differential FET Input Amplifier Gold Seal Class A AMP BOARD 1:1 Mark Levinson JC-2 Preamplifier PER-AMP Dual AC15-18V
Price: $135.72
Old Price: $156
GZLOZONENEW Dual Differential FET Input Amplifier Gold Seal Class A AMP BOARD 1:1 Mark Levinson JC-2 Preamplifier PER-AMP Dual AC15-18V
Helen Electronic Audio Store
Latest upgrade 35W*2(RMS 8 Ohm) EL34 Push-Pull Tube Amplifier Amp With 12au7 & 12ax7 Pre-Amp Lamp with Bluetooth /15HZ-36KHZ
Price: $455.01
Old Price: $523
GZLOZONELatest upgrade 35W*2(RMS 8 Ohm) EL34 Push-Pull Tube Amplifier Amp With 12au7 & 12ax7 Pre-Amp Lamp with Bluetooth /15HZ-36KHZSound Amplifiers
Helen Electronic Audio Store
Latest Upgrade Classic HiFi Preamp Accuphase C200V Pure DC frame Beyond JC-2 preamp board double DC 17-22V (S/N): 103dB
Price: $184.3
GZLOZONELatest Upgrade Classic HiFi Preamp Accuphase C200V Pure DC frame Beyond JC-2 preamp board double DC 17-22V (S/N): 103dBSound Amplifiers
Helen Electronic Audio Store
Latest upgrade HIFI tube pre-amplifier/6Z4×1/6N2×1/WY1×1 USA 8532W×2/6J9×2 with remote/HIFI gall preamp Pure pre-stage
Price: $419.34
Old Price: $482
GZLOZONELatest upgrade HIFI tube pre-amplifier/6Z4×1/6N2×1/WY1×1 USA 8532W×2/6J9×2 with remote/HIFI gall preamp Pure pre-stageSound Amplifiers
Helen Electronic Audio Store
Latest arrival 211MK Integrated hifi amplifier, fever audio, high fidelity home with Bluetooth, 110W+ 110W(8Ω )/220V 50Hz
Price: $769.95
Old Price: $885
GZLOZONELatest arrival 211MK Integrated hifi amplifier, fever audio, high fidelity home with Bluetooth, 110W+ 110W(8Ω )/220V 50HzSound Amplifiers
Helen Electronic Audio Store
Latest arrival 100W*2 Clone Auccphase A-70/Class A Power Amplifier Fully Balanced Low Noise Pure power amplifier
Price: $2129.76
Old Price: $2448
GZLOZONELatest arrival 100W*2 Clone Auccphase A-70/Class A Power Amplifier Fully Balanced Low Noise Pure power amplifierSound Amplifiers
Helen Electronic Audio Store
Clone NAIM NAP150 power amplifier board kit DIY、 8 ohm 60 w + 60 w, 4 ohm 120 w + 120 w、DIY KIT
Price: $97.44
Old Price: $112
GZLOZONEClone NAIM NAP150 power amplifier board kit DIY、 8 ohm 60 w + 60 w, 4 ohm 120 w + 120 w、DIY KITSound Amplifiers
Helen Electronic Audio Store
Latest arrival High-end 300B single-ended stereo combined machine + pure post-stage/pure class A tube power amplifier
Price: $609
Old Price: $700
GZLOZONELatest arrival High-end 300B single-ended stereo combined machine + pure post-stage/pure class A tube power amplifierSound Amplifiers
Helen Electronic Audio Store
Latest 200W*2/HiFi high-fidelity high-power amplifier 2.0 home/with remote control/ Integrated amplifier stereo amplifier
Price: $405.89
GZLOZONELatest 200W*2/HiFi high-fidelity high-power amplifier 2.0 home/with remote control/ Integrated amplifier stereo amplifierSound Amplifiers
Helen Electronic Audio Store
Latest upgrade Hifi Class A Stereo Preamplifier Base On Accuphase C3850 Preamp/ZTX450 ZTX550/With bluetooth/3way RCA inputs
Price: $199.23
Old Price: $229
GZLOZONELatest upgrade Hifi Class A Stereo Preamplifier Base On Accuphase C3850 Preamp/ZTX450 ZTX550/With bluetooth/3way RCA inputsSound Amplifiers
Helen Electronic Audio Store
Latest Upgrade Raphaelite CP88-MKII KT88 Push-Pull Tube Amp Lamp Amplifier With Remote。 KT88x4, 12AT7x2, 6N1Px1, GZ34x1
Price: $1594.71
Old Price: $1833
GZLOZONELatest Upgrade Raphaelite CP88-MKII KT88 Push-Pull Tube Amp Lamp Amplifier With Remote。 KT88x4, 12AT7x2, 6N1Px1, GZ34x1Sound Amplifiers
Helen Electronic Audio Store
Latest upgrade CD turntable/CDM12.1/Fever turntable/customized/with constant temperature crystal oscillator
Price: $627.27
Old Price: $721
GZLOZONELatest upgrade CD turntable/CDM12.1/Fever turntable/customized/with constant temperature crystal oscillatorSound Amplifiers
Helen Electronic Audio Store
Latestupgrade FM811 Power Amplifier Board Enlarged Version PCB Empty Board Speaker Protection Board Speaker Input Balance Module
Price: $13.92
Old Price: $16
GZLOZONELatestupgrade FM811 Power Amplifier Board Enlarged Version PCB Empty Board Speaker Protection Board Speaker Input Balance ModuleSound Amplifiers
Helen Electronic Audio Store
Latest Upgrade 500W*2 4ohm Reference Swiss FM711 Amplifier Board,HIFI Stereo Digital Power Amplifier,2N3440, 2N54164,TT 2SC5200
Price: $57.99
Old Price: $66.66
GZLOZONELatest Upgrade 500W*2 4ohm Reference Swiss FM711 Amplifier Board,HIFI Stereo Digital Power Amplifier,2N3440, 2N54164,TT 2SC5200Sound Amplifiers
Helen Electronic Audio Store
Latest 200W*2 full frequency power amplifier/2.0HiFi high power pure power amplifier/with Bluetooth/TTA1941 TTC5198 NE5532
Price: $279.27
Old Price: $321
GZLOZONELatest 200W*2 full frequency power amplifier/2.0HiFi high power pure power amplifier/with Bluetooth/TTA1941 TTC5198 NE5532Sound Amplifiers
Helen Electronic Audio Store
One pair Class A Amplifier Board PCB base on KRELL KSA50 MKII / Class A power amplifier board/aluminum plate PBC empty board
Price: $18.98
Old Price: $21.83
GZLOZONEOne pair Class A Amplifier Board PCB base on KRELL KSA50 MKII / Class A power amplifier board/aluminum plate PBC empty boardSound Amplifiers
Helen Electronic Audio Store
2021 Latest T11pro mono Hi-end amplifier/plitron transformer customized version, Output 400W /8Ω / 800W / 4Ω, AC230V&AC115
Price: $738.63
Old Price: $849
GZLOZONE2021 Latest T11pro mono Hi-end amplifier/plitron transformer customized version, Output 400W /8Ω / 800W / 4Ω, AC230V&AC115Sound Amplifiers
Helen Electronic Audio Store
Latest Arrival Dual STK350 150W+150W HIFI Class A High Power Stereo Amplifier/1943/5200/1295/3264
Price: $154.86
Old Price: $178
GZLOZONELatest Arrival Dual STK350 150W+150W HIFI Class A High Power Stereo Amplifier/1943/5200/1295/3264Sound Amplifiers
Helen Electronic Audio Store
Latest Arrival PASS A30 Field Effect Transistor Class A 30W+30W HIFI amplifier /Input voltage: 220 V/Impedance: 4-8 ohm
Price: $229.68
Old Price: $264
GZLOZONELatest Arrival PASS A30 Field Effect Transistor Class A 30W+30W HIFI amplifier /Input voltage: 220 V/Impedance: 4-8 ohmSound Amplifiers
Helen Electronic Audio Store
NEW 180W*2/220W*2/Trasam M8 Class D digital power amplifiers BT5.0/optical/coaxial/USB/CD high power AC220V with remote contro
Price: $256.51
GZLOZONENEW 180W*2/220W*2/Trasam M8 Class D digital power amplifiers BT5.0/optical/coaxial/USB/CD high power AC220V with remote controSound Amplifiers
Helen Electronic Audio Store
813 (FU13) single-ended pure class A tube amplifier power amplifier 20W high power/combined single-ended tube amplifier
Price: $1944.1
GZLOZONE813 (FU13) single-ended pure class A tube amplifier power amplifier 20W high power/combined single-ended tube amplifierSound Amplifiers
Helen Electronic Audio Store
Latest 250W/300B push 845, split type, A single-ended amplifier, HIFI tube amplifier/274B*1 6H8C*2 300B*1 845*1/ERO MKP1845
Price: $2457.35
GZLOZONELatest 250W/300B push 845, split type, A single-ended amplifier, HIFI tube amplifier/274B*1 6H8C*2 300B*1 845*1/ERO MKP1845Sound Amplifiers
Helen Electronic Audio Store
Latest arrival 2.4W Psvane WR50 VACUUM TUBE HiFi DIY 50 Electronic Valve Tube Vintage Audio Amplifie/Test pairing OK/1pair
Price: $390.76
GZLOZONELatest arrival 2.4W Psvane WR50 VACUUM TUBE HiFi DIY 50 Electronic Valve Tube Vintage Audio Amplifie/Test pairing OK/1pairSound Amplifiers
Helen Electronic Audio Store
Latest arrival MJ01 KSA50 MJ15024 MJ15025 2.0 channel AB class 180W*2 Gold Seal HiFi power amplifier/2PCS
Price: $102.66
Old Price: $118
GZLOZONELatest arrival MJ01 KSA50 MJ15024 MJ15025 2.0 channel AB class 180W*2 Gold Seal HiFi power amplifier/2PCSSound Amplifiers
Helen Electronic Audio Store
NEW MP-T1 3500W filter balance isolation transformer Power center, high-end power solution without dynamic compression
Price: $764.77
GZLOZONENEW MP-T1 3500W filter balance isolation transformer Power center, high-end power solution without dynamic compressionSound Amplifiers
Helen Electronic Audio Store
Latest arrival BA3 Class AB 1000W HIFI High Power 2.1 Fever Power Amplifier Subwoofer Stereo RCA/Bluetooth 5.0/U disk/SD card
Price: $363.66
GZLOZONELatest arrival BA3 Class AB 1000W HIFI High Power 2.1 Fever Power Amplifier Subwoofer Stereo RCA/Bluetooth 5.0/U disk/SD cardSound Amplifiers
Helen Electronic Audio Store
Latest upgrade 35W*2 (RMS 8 Ohm) KT88 Push Pull Tube Amplifier Integrated 12AU7 12AX7 Lamp AMP With Bluetooth/15HZ-36KHZ
Price: $527.22
Old Price: $606
GZLOZONELatest upgrade 35W*2 (RMS 8 Ohm) KT88 Push Pull Tube Amplifier Integrated 12AU7 12AX7 Lamp AMP With Bluetooth/15HZ-36KHZSound Amplifiers
Helen Electronic Audio Store
Latest arrival BRZHIFI imitate PASS XA160.5 CNC precision machining aluminum case for power amplifier
Price: $394.98
Old Price: $454
GZLOZONELatest arrival BRZHIFI imitate PASS XA160.5 CNC precision machining aluminum case for power amplifierSound Amplifiers
Helen Electronic Audio Store
Latest arrival 35W British amorphous 8C iron core, 6C33C tube single-ended power amplifier output transformer/ 670R(PR), 0-4-8Ω
Price: $122.67
Old Price: $141
GZLOZONELatest arrival 35W British amorphous 8C iron core, 6C33C tube single-ended power amplifier output transformer/ 670R(PR), 0-4-8ΩSound Amplifiers
Helen Electronic Audio Store
Latest upgrade 1PC PSVANE 300B-SEN Electronic Vacuum Tube black screen hook filament
Price: $120.06
Old Price: $138
GZLOZONELatest upgrade 1PC PSVANE 300B-SEN Electronic Vacuum Tube black screen hook filamentSound Amplifiers
Helen Electronic Audio Store
2021 Latest upgrade version YAQIN 40W+40W MS-30L EL34 Push-Pull Tube Amplifier EL34 6J1 Lamp Integrated Amp with Remote
Price: $661.39
GZLOZONE2021 Latest upgrade version YAQIN 40W+40W MS-30L EL34 Push-Pull Tube Amplifier EL34 6J1 Lamp Integrated Amp with RemoteSound Amplifiers
Helen Electronic Audio Store
Latest upgrade 220V with Remote Hifi Multi-Function CD/HDCD/MP3 Player 24bit/384KHz AD1955 Decoding Pure High-End CD Player
Price: $430.36
GZLOZONELatest upgrade 220V with Remote Hifi Multi-Function CD/HDCD/MP3 Player 24bit/384KHz AD1955 Decoding Pure High-End CD PlayerSound Amplifiers
Helen Electronic Audio Store
Tube pre-amplifier HIFI refined circuit Toroidal transformer output bile pre-stage with balanced output、AC220V ±5% (50Hz)
Price: $634.23
Old Price: $729
GZLOZONETube pre-amplifier HIFI refined circuit Toroidal transformer output bile pre-stage with balanced output、AC220V ±5% (50Hz)Sound Amplifiers
Helen Electronic Audio Store
Refer FM711 power amplifier board /gold sealed tube fm711/audiophile power amplifier board /RCA single-ended input (1 pair
Price: $23.99
Old Price: $27.58
GZLOZONERefer FM711 power amplifier board /gold sealed tube fm711/audiophile power amplifier board /RCA single-ended input (1 pairSound Amplifiers
Helen Electronic Audio Store
Latest Arrival [Reference GRYPHON TABU Line] 2-Channel Pure Post-amplifier Class AB HIFI amplifier/C2922A1216 / 150W/8Ω /300W/4Ω
Price: $457.91
GZLOZONELatest Arrival [Reference GRYPHON TABU Line] 2-Channel Pure Post-amplifier Class AB HIFI amplifier/C2922A1216 / 150W/8Ω /300W/4ΩSound Amplifiers
Helen Electronic Audio Store
Latest Upgrade Classic KSA-50 Class A Power Amplifier and KSL Preamplifier. Class A 50wx2, Class A 300wx2
Price: $760.93
GZLOZONELatest Upgrade Classic KSA-50 Class A Power Amplifier and KSL Preamplifier. Class A 50wx2, Class A 300wx2Sound Amplifiers
Helen Electronic Audio Store
Latest Arrival Circuit Board Fault Repair Tester ASA(VI) Curve Tester ProbeASA-3e
Price: $949.69
GZLOZONELatest Arrival Circuit Board Fault Repair Tester ASA(VI) Curve Tester ProbeASA-3eSound Amplifiers
Helen Electronic Audio Store
Latest upgrade SAC-K1000 Pure Class A Headphone Amplifier Board HiFi Preamplifier Assembly Board/ Supply voltage: DC±18V/NE5534
Price: $7.39
Old Price: $8.5
GZLOZONELatest upgrade SAC-K1000 Pure Class A Headphone Amplifier Board HiFi Preamplifier Assembly Board/ Supply voltage: DC±18V/NE5534Sound Amplifiers China
Helen Electronic Audio Store
NEW VU Meter head level meter finished machine aluminum alloy panel LED yellow backlight with sound control driver board 180W *2
Price: $320.16
Old Price: $368
GZLOZONENEW VU Meter head level meter finished machine aluminum alloy panel LED yellow backlight with sound control driver board 180W *2Sound Amplifiers
Helen Electronic Audio Store
CAOWEI CAC202 pre-amplifier/re-engraved British NAIM NAC202 amplifier/home hifi amplifier/with remote control/4channel RCA input
Price: $1049.22
Old Price: $1206
GZLOZONECAOWEI CAC202 pre-amplifier/re-engraved British NAIM NAC202 amplifier/home hifi amplifier/with remote control/4channel RCA inputSound Amplifiers
Helen Electronic Audio Store
Latest Hi-end MOSFET MM MC Phono Stage Stereo Preamp Vinyl Record Player Turntable Amplifier Phono Pre-Amp Active Amplification
Price: $239.25
Old Price: $275
GZLOZONELatest Hi-end MOSFET MM MC Phono Stage Stereo Preamp Vinyl Record Player Turntable Amplifier Phono Pre-Amp Active AmplificationSound Amplifiers
Helen Electronic Audio Store
Copy Naim/HIFi Fully Discrete Single-Ended Class A / MM MC Ball Flavor/Vinyl Phono Amplifier/Phosak Amplifier
Price: $246.21
Old Price: $283
GZLOZONECopy Naim/HIFi Fully Discrete Single-Ended Class A / MM MC Ball Flavor/Vinyl Phono Amplifier/Phosak AmplifierSound Amplifiers
Helen Electronic Audio Store
Latest arrival HIFI stereo Full Balance class a Preamplifier Reference Accuphase circuit
Price: $381.93
Old Price: $439
GZLOZONELatest arrival HIFI stereo Full Balance class a Preamplifier Reference Accuphase circuitSound Amplifiers
Helen Electronic Audio Store
Latest arrival Mono 90W power amplifier board with power protection LINN LK140 circuit/TDA7293 /AC30v*2/Finished board
Price: $5.99
Old Price: $6.89
GZLOZONELatest arrival Mono 90W power amplifier board with power protection LINN LK140 circuit/TDA7293 /AC30v*2/Finished boardSound Amplifiers
Helen Electronic Audio Store