At a glance
- Device type
- Headphone amplifier
- Amplifier technology
- Solid-state
- Headphone outputs
- 6.3 mm
- Built-in DAC
- No
- Power
- 157 mW
Erzetich Bacillus II
Compact headphone amplifier with warm, dynamic sound and striking design: Bacillus II reveals fine details and drives any headphone with ease.
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At a glance
- Device type
- Headphone amplifier
- Amplifier technology
- Solid-state
- Headphone outputs
- 6.3 mm
- Built-in DAC
- No
- Power
- 157 mW
Bacillus II
Compact entry-level headphone amplifier with remarkable sonic maturity
The Bacillus II is an entry-level headphone amplifier for anyone who expects more sound quality from a compact setup. With premium input capacitors and top-tier op-amps, it delivers a presentation that blends warmth with speed, punch and impressive detail retrieval.
Thanks to its versatility, Bacillus II pairs beautifully with headphones of any impedance, creating a dynamic and enjoyable listening experience. Fine nuances are brought forward, tonal colors are clearly separated, and details become audible that many amplifiers simply miss.
Its distinctive design—featuring a large volume control, a beveled top plate and wooden side panels—makes Bacillus II a standout piece on any desk.
Sound character
Silky neutral, slightly warm.
Technical Specifications
| Headphone impedance | 8–600 Ω |
| Output power | 157 mW |
| Frequency response | 2 Hz–800 kHz, −1 dB |
| Output | 6.35 mm jack |
| Input | RCA |
| Power consumption | 3 W |
| Power supply input voltage | 230 V / 50 Hz or 115 V / 60 Hz |
| Dimensions (W × H × D) | 145 mm × 70 mm × 180 mm |
| Weight | 1130 g |
| Character | Silky neutral, slightly warm |
ERZ-BACILLUS-II
Data sheet
- Device type
- Headphone amplifier
- Amplifier technology
- Solid-state
- Built-in DAC
- No
- Power into 32 Ω
- 157 mW
- Headphone outputs
- 6.3 mm
- Balanced output
- No
- Inputs
- RCA
- Pre-amp output
- No
- Weight
- 1.13 kg
- Product type
- Headphone amplifier
