Nobsound FM Tuner Mini Headphone Band SI4831 Desk Ideal for Radio Enthusiasts Power Adapter Amplifier 3-Frequency Support, Chip, Treble/Bass

【Important Notice for International Buyers – Tomoayax Premium Audio Hi-Fi Japan】

■ Voltage Compatibility This product is designed exclusively for use in Japan (AC 100V, 50/60Hz).

Many regions use 120V or 220–240V. Using this product without a proper transformer in such voltage environments may result in malfunction, overheating, or serious and irreversible damage.

■ Plug Type This product uses a Japanese plug (Type A or B). A plug adapter may be required depending on your region.

■ Transformer Requirement (Very Important) A transformer is required for safe use.

A plug adapter only changes the plug shape and DOES NOT convert voltage. Using this product without a transformer may cause serious and irreversible damage.

■ Buyer Responsibility As this is high-end audio equipment, the buyer is fully responsible for confirming compatibility with their local voltage (100V / 120V / 220–240V) and usage environment before purchase.

■ No Return / No Refund Policy We do NOT accept returns or refunds for: ・Voltage mismatch (including 120V and 220–240V environments) ・Use without a transformer ・Plug incompatibility ・Damage caused by improper setup or usage

■ Liability We are not responsible for any damage, malfunction, or performance issues caused by improper use or incorrect voltage conditions.

■ Final Notice Please ensure full understanding of the above before purchasing. Use only under the correct voltage environment. Global tuner covering three FM frequency bands: Easily enjoy broadcasts from around the world: Equipped with a Silicon Labs SI4831 chip, it allows you to easily switch between three FM frequency bands—64-87MHz (NHK FM in Japan uses this band), 76-90MHz, and 87-108MHz—using a switch on the back. It boasts high compatibility, allowing you to receive FM broadcasts not only from Japan but also from overseas. Despite its compact size, by adjusting the included antenna, you can enjoy clear radio broadcasts of music, news, talk shows, and more. *Reception sensitivity depends greatly on the installation environment and antenna position. Please use it in the optimal location.* 3-in-1 Multi-Function: FM Tuner & Preamplifier & Headphone Amplifier: The M08E is not just an FM tuner, but an all-in-one device that performs three functions. First, it functions as an FM tuner. Second, by connecting a smartphone, PC, CD player, etc. to the 3.5mm AUX input on the front, it functions as a preamplifier with treble/bass adjustment, sending the signal to a power amplifier or active speakers. Furthermore, the headphone output on the front uses a dedicated amplifier circuit employing the TPA6132 chip to drive 16-32Ω headphones, enabling low-noise private listening. High-Quality NE5532 Op-Amp & Independent Treble/Bass Adjustment: Fine-tune your sound to your liking: Two circuits of the highly regarded NE5532 op-amp, widely used in audio equipment, are employed for audio signal processing (non-replaceable as they are mounted on the circuit board). This provides rich sound quality. The front panel is equipped with independent treble and bass adjustment knobs. This allows you to freely adjust the sound balance to your liking and the characteristics of your headphones/speakers for radio broadcasts and external input sound sources. Even subtle nuances can be adjusted. Compact Aluminum Casing & Intuitive Knob Operation: Space-Saving and Easy-to-Use Design: Measuring just 77x62x40mm and weighing approximately 90g, it's extremely compact. It fits easily into narrow spaces on desks and audio racks, making it suitable for almost any location. The casing is made of aluminum alloy, which offers excellent heat dissipation and durability, combining a premium feel with practicality. All operations are intuitive knob-type controls, allowing for smooth adjustment of power/volume, tuning, treble, and bass. The large tuning knob provides a classic analog feel. Mute Function & Clear LED Indicator: User-friendly design for everyday convenience: Pressing the mute button instantly mutes/unmutes the device. This allows for quick responses to sudden phone calls or conversations, making it invaluable in everyday use. The front LED indicator clearly displays the power status and current input mode (FM/AUX) with color and flashing. Its high visibility allows you to check the current operating status at a glance. A simple yet user-friendly design. Please note: This product is not compatible with mobile batteries. Tags: USB amplifier, compact line amplifier, high impedance amplifier, vacuum tube amplifier, audio, Douk Audio, vacuum tube preamplifier, Bluetooth amplifier, car amplifier, built-in speaker, Nobsound NS-01G Pro