AIYIMA A1001 100W TPA3116 Subwoofer Class D HiFi Mono RCA Frequency Switchable Stereo Speaker Amplifier for Home Audio Systems Amplifier, Amplifier,

【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. ❶ The AIYIMA A1001 employs the Tpa3116 high-performance power amplifier chip and the NE5532 operational amplifier. It features adjustable bass cutoff frequency and the ability to switch between full-range stereo amplifier and subwoofer amplifier modes as needed. It's a mini desktop power amplifier. ❷ A 100W (2-8Ω) Hi-Fi mono Class D amplifier board. Capable of driving most home passive speakers and passive subwoofers. Compatible with various devices such as smartphones, PCs, tablets, and TVs. ❸ Simple RCA audio input, gold-plated audio output terminals, built-in subwoofer low-pass filter, low-frequency control function, noiseless operation. A dual control system using a potentiometer knob and microswitch prevents abrupt noise during switching. Designed for users seeking Hi-Fi sound quality. ❹A1001 Features: Bass attenuation slope: -12dB slope, Bass cutoff frequency range adjustment: 40-300Hz, High-quality subwoofer amplifier. ❺ A cost-effective subwoofer amplifier. Features a simple and compact design. Package contents: A1001 subwoofer amplifier x 1, 24V power adapter x 1, instruction manual x 1. 24-month product warranty, 2-year product warranty and technical support provided. Product Description Chip: TPA3116D2 + NE5532 Maximum power: 100W*1 Full frequency response: 20Hz to 20kHz (±3dB) The speaker is impedance-matched: 4-8Ω Number of channels: Mono Operating voltage: DC 12-24V (Adapter: DC 19V 4.74A) THD: Output 1W @ 0.03% SNR: ≥106dB Input sensitivity: 0.2mV External dimensions: 118.5 x 98 x 33 mm (without protruding knob) Bass cutoff frequency range adjustment: 40-300Hz Controls: Potentiometer knob and toggle switch Audio input: RCA Audio output: Gold-plated interface Low-frequency attenuation slope: -12dB slope