True Class A full-time crossover with zero crossover distortion, delivering a warm, tube-amp-like sound that combines the richness of tube amplifiers with the detail of transistors.
Weighing only 5.3 kg, the all-aluminum chassis features a robust internal heatsink to effectively eliminate unwanted vibration interference.
Its ultra-compact 335×208×75 mm dimensions make it a perfect fit for desktop workstations and small living room environments. With a 99.1% user satisfaction rate and over 900 units sold, it boasts reliable performance and an affordable price.
For audiophiles seeking pure analog sound quality and rejecting harsh digital distortion, the BRZHIFI A1S pure Class A power amplifier is the ideal choice to enhance their home listening experience. Unlike most Class D or Class AB amplifiers in the same price range, the A1S always operates within its optimal linear operating range, completely eliminating crossover distortion and naturally reproducing every nuance of vocal performances and instrument recordings. Its continuous output of 20W × 2 (8Ω) easily drives bookshelf speakers, delivering a rich, warm tone that combines the warmth of a classic tube amplifier with the clarity of a high-quality transistor amplifier. Constructed from premium materials and weighing 5.3kg, the amplifier is made of precision-machined high-grade aluminum and features thickened heat sinks to ensure stable operation even during extended listening sessions, while effectively eliminating micro-vibrations that could affect sound quality. Its slim 335mm × 208mm × 75mm dimensions won’t take up much desk space, making it a perfect fit for modern minimalist home décor or a compact desktop HiFi system in a small listening room. In the past three months, over 900 units of the A1S have been shipped, receiving a 99.1% customer satisfaction rating, making it a favorite among audiophiles seeking top-tier Class A performance without the exorbitant price tag. Meticulously tuned by an experienced team of audio engineers at the Foshan factory, the A1S offers a 30-day price guarantee and a hassle-free return policy, allowing you to enjoy warm analog sound quality and a pure listening experience, creating a tranquil musical oasis in your busy daily life. It’s ideal for late-night solo jazz vocal enjoyment, pairing with a dedicated desktop HiFi system, and driving small living room bookshelf speakers.
Model: A1s
Power: 20W (8Ω), 25W (4Ω), Pure Class A Amplifier, possessing the equivalent driving force of two 100W Class AB amplifiers
Frequency Response: 10Hz-40kHz +3dB
Signal-to-Noise Ratio: 105dB
Impedance: 4-8Ω
Distortion: Less than 0.001% (1kHz 1W)
Voltage: AC 220V 50-60Hz
Dimensions: 335*208*75mm (L*W*H) (excluding feet height)
Weight: 5.3kg
