Fonte portátil de laser de fibra de pulso comutado Q Raycus RFL-P50QB 50W

SMSL H400 Headphone Amplifier AMP Hi-Res Audio with Fully Balanced Design up to 15W/16Ohm High Power Output Remote Control

Singxer SA-2 HIFI Headphone Amplifier Fully Balanced Discrete Class AMP Preamp High Gain Support XLR/6.35mm/4.4mm SA2

AMXEKR 1:1 Replica of DarTZeel NHB-108 Negative Feedback-Free Amplifier Circuit, High-Power 140W Home HiFi Power Amplifier.

A-75 Pure Class A Golden Voice HIFI Amplifier Voltage 220V/110V Damping Coefficient 1000 Maximum Power Consumption 520W

Hifi Audio Hi-End ♔♔♔ XLR Cables

Aune Magnum Bx2 Pure Class A Tube Headphone Amplifier 4.4/ 3.5mm Dual 6P1 Vacuum Tube Rca Single Ended For Audiophile

HI-END AS5 PASS A5 Pure Class A power amplifier Support XLR /RCA Input 60--90W 4--8 ohm

LHY AS6 Audio HIFI Ethernet Switch LPS linear Power Supply OCXO Constant Temperature Crystal Oscillator+LT3042+PNP+10/100/1000M

Singxer SA-1 V2 Headphone Amplifier Fully Balanced Discrete Class A Amp/Preamp SA1 Support XLR/6.35mm/4.4mm Multi Interfac

Dual 300B 91 Line Single-ended Fever Power Amplifier Parallel Connection 15W+15W DIY Kits