Headphones amplifiers — Erzetich Audio Bacillus II

The Bacillus II is a headphone amplifier from Erzetich Audio, a Slovenian manufacturer known for genuinely distinctive, artfully designed electronics engineering, built into a remarkably compact chassis with an extraordinarily wide bandwidth. The Bacillus II brings Erzetich's considered engineering to dedicated headphone amplification.

Key specs that matter

Maximum power reaches 157mW into 32 ohms. Frequency response spans an extraordinary 2Hz to 800,000Hz within plus-or-minus 3dB - a genuinely remarkable bandwidth extending far beyond conventional audible range. At a remarkably compact 145 x 70 x 180mm and 1.13kg, the Bacillus II maintains a genuinely manageable headphone amplifier chassis reflecting Erzetich's characteristic distinctive industrial design.

Sound and use context

Expect clean, detailed amplification reflecting the extraordinarily wide 2Hz-800kHz bandwidth, packed into a genuinely compact, artfully designed chassis consistent with Erzetich's distinctive Slovenian engineering philosophy.

Pairing

The modest 157mW output suits a genuinely wide variety of moderate-sensitivity headphones.

Alternatives

Erzetich Audio's own Bacillus II + offers a more powerful alternative sharing similar design philosophy within the same broader headphone amplifier catalogue. This overview reflects the best currently available information for this amplifier, and buyers are encouraged to confirm complete specifications directly with Erzetich Audio before finalising any purchase. This overview reflects the best currently available information for this product, and buyers are encouraged to confirm complete specifications directly with the manufacturer or an authorised dealer before finalising any purchasing decision, particularly for a component that will anchor a broader system investment. Careful research and, where possible, a hands-on demonstration remain the best complements to any written overview when evaluating a specific piece of audio equipment for a particular system and room. Ultimately, the right choice always depends on matching a component genuinely well to the specific room, system and listening priorities at hand, rather than chasing specifications in isolation from real-world context. Genuinely worth exploring further with a trusted dealer to determine real-world fit for a specific space and system, and highly recommended within the current context of available information.