The Sound Quality of SOUND TIGER Sinfonia

Featuring non-piercing highs, clearer resolution, and tight bass response.Excellent soundstage and positioning, delivering clear sound without listening fatigue.Particularly excels with acoustic instrument sources including classical and jazz vocal pieces.Compared to Potenza, it's better suited for those seeking high resolution with earphones.

Basic Specifications

• 4.4mm balanced input/output headphone amplifier.
• Features a Class-A transistor buffer circuit, with a semi-discrete configuration.
• Full balanced design, optimal for DAPs with balanced output.
• No volume control implemented to avoid sound quality degradation.
• Operates on AA NiMH or alkaline batteries.
• 11 hours of operation with new 1900mAh rechargeable batteries.
• AA battery size, recommended batteries for best sound quality: Fujitsu White, Fujitsu Black, for alkaline Premium S.
• Performs best after 50 hours of aging and 20 minutes after power-on.

Note: Numerical values may not always correspond to perceived sound quality

Usage Precautions

・When using, please connect through phone-out or variable line-out with the player's volume turned down. Connection through fixed line-out will result in maximum volume output, which may damage your ears and headphones.

・When removing the SOUND TIGER board from its case, do not place it on metal surfaces. This may cause battery short circuit and damage.

・Using single-ended conversion adapters other than "SE-Attach" at the output may damage the amp circuit or degrade sound quality and is not covered by warranty.

・Use of batteries other than NiMH, NiCd, alkaline, or manganese is at your own risk. Damage will not be covered by warranty.