Utsusemi-Works is a portable headphone amplifier maker that designs, builds and sells everything in-house.
PORTABLE HEADPHONE AMPLIFIERThe new SOUND TIGER flagship. With a wide 5 Hz – 4.7 MHz bandwidth and 1.6 W + 1.6 W of headroom, it drives earphones and headphones alike with clarity down to the finest detail, and with real power. It runs on built-in rechargeable NiMH batteries and can be used while charging over USB-PD.
From the flagship to entry models, every one is fully analog and battery-powered. Prices on this page are for orders outside Japan, in Japanese yen, excluding tax.
Low-noise op-amps, separate LDO regulators for left and right, and a mute relay. A design chosen for the sound, now rechargeable and ready to take with you.
For listeners who want to take their time with the music itself
A 30 V supply and dual-rail LDO regulation. Our established model, well regarded for its power, clarity, imaging and tonal balance.
For anyone who wants to draw out everything their headphones and earphones can give
Idol / SymSOUND TIGER circuitry condensed into a fully balanced entry model.
For a first amplifier, or for travelling light
New to portable amps, or not sure which to choose? Three questions will narrow it down.
How to buyWhat output does your player have?With a 4.4 mm balanced output: Superior, Enthusiast or SOUND CAT. With 3.5 mm only: Luce Suono (Enthusiast can also be used with the SE-Attach cable).
What is your budget? (excl. tax)¥20,000–29,000: Luce Suono (¥20,000), SOUND CAT (¥29,000)
¥82,000: Enthusiast
¥200,000: Superior
Swap batteries, or charge the unit?To swap dry cells or rechargeables: Luce Suono and SOUND CAT (AAA), Enthusiast (AA). To charge the whole unit over USB-PD: Superior.
Looking for earphones too?EARPHONES TIGER Classical (¥25,000 excl. tax). Tuned by Utsusemi-Works, with beautiful acoustic instruments and vocals.
We sell directly to customers outside Japan through our order form.
Please order through the order form. We accept credit card (Square), PayPal and bank transfer. Orders from outside Japan and orders for multiple units use the same form. We also sell a few units at events such as the Headphone Festival in Tokyo (models are announced on X).
Order formPrices are in Japanese yen (JPY) and exclude VAT, import duties and taxes in your country.
Shipping: Asia ¥5,000 / Europe ¥8,000 / USA ¥9,000 / Japan ¥500–¥1,000 (incl. tax, depending on package size)
Korea: under our agreement with NEXT SOUND, we cannot sell directly to customers in Korea. NEXT SOUND과의 계약에 따라 한국 내 판매는 불가능합니다.
Hong Kong: please order from DMA Audio; we do not accept direct orders from Hong Kong. 香港客戶請向 DMA Audio 訂購。本公司不接受香港地區的直接訂購。
This service is for customers considering a purchase. Your personal information is used only for shipping, after-sales service and new product announcements.
For questions about our products, ordering or loaner units, please use the question form.
Question formIf you have not heard back within 2 days, please check your spam folder.
