Yong Heng Zhi Yin A1 Premium Edition 220V 660W+660W Hifi Bluetooth Amplifier Power Amp for Speakers

Yong Heng Zhi Yin A1 Premium Edition 220V 660W+660W Hifi Bluetooth Amplifier Power Amp for Speakers

Features:
- Upgraded HIFI Bluetooth integrated amplifier: With high power, noble appearance, exquisite craftsmanship, sweet vocals and powerful bass
- Lossless audio decoding circuit
- Treble and bass adjustments
- Can be connected to a subwoofer
- Fiber and coaxial inputs: The USB decoder supports U disk to play music. It can also read high-capacity hard drives
- Supported devices: desktop PC, mobile phones and iPad
- Play video music: Supported video formats include RM, MP4, RMVB, DVD, SVCD, VCD, DVCD, DVIX, MPEG4, AVI and VOB
- Bluetooth 5.2 transmission: It supports BT5.2 protocol, faster transfer speed and better compatibility. With Bluetooth, you can also enjoy lossless music
- Lossless playing for U disk and hard disk: Supported lossless formats include WAV, PLAC, APE, MP 3, HDCD, OGG and ACC. It supports 256G U disk and 1TG hard disk
- With subwoofer output LINE-OUT port, it can be connected to an active subwoofer to feel the powerful sound of a 2.1 sound system
- Balance adjustment and through switch: Supports balance adjustment and through switching of left and right channels
- Newly upgraded A1 amplifier board: high-power dual-channel 16 American WK5688/WY2963 transistors, with large heat sinks on both sides. Class AB circuit design, high performance index, small distortion, strong power, mellow sound, clear high-frequency sound and deep bass with good elasticity
- HIFI audiophile preamp board: Tailor-made for A1 amplifier. The tuning mode and the original sound mode can be switched, and the balance adjustment is supported. Timbre characteristics: the high-frequency sound is delicate and extensive, the mid-frequency sound is full and smooth, and the low-frequency sound dives deeper to meet your pursuit of better bass effect
- High-power pure copper toroidal transformer with imported iron core: strong power and powerful bass, without noise
- Bridging function and high-fidelity lossless chip: The bridging function can make the binaural to mono full-range amplifier board with more power and powerful bass. The imported chip is used to restore the original sound, so that the sound quality is mellow and sweet, clear and pure
- Original green capacitor and audiophile transistor: The sound of audiophile capacitor is transparent and clear, clean and neat, and the level is good. The low-frequency sound is elastic, the high-frequency sound is penetrating, and the overall bias is HIFI, and it has a refreshing and modern feeling
- Imported speaker protection module: the upgraded dual relay has more output power and withstands more current, making the bass more powerful. Its output with short-circuit protection. Speaker wire is also with short-circuit protection. Thus, the service life of the power amplifier is greatly prolonged
- Imported 60000UF power supply filter capacitor: The filter capacitor of the audiophile-grade HIFI power amplifier is clean, the ripple is very small, the capacity is sufficient, the quality is reliable. It is durable to use. And the sound background is clean, layered, round and full

Specifications:
- Model: A1 (Premium Edition)
- THD: 0.01% (4Ω load); 0.003% (8Ω load)
- Output power: 330W+330W(8 ohms);660W+660W(4 ohms)
- Digital inputs: optical, coaxial, Bluetooth and USB drive
- Mutual distortion: 0.001%
- Input impedance: RCA input 20KΩ
- Bluetooth version: Bluetooth 5.2
- Power requirements: AC220V 50/60Hz
- SNR: 110dB
- Audio input: RCA analog input
- Frequency response range: 5Hz-88KHz
- Output impedance: 4-8Ω
- USB: Support U disk/hard disk
- Net weight: 12.6kg/27.8lb
- Product size: 430 x 355 x 110mm/16.9 x 14 x 4.3" (WxDxH)

Package Included:
- 1 x Set of Power Amplifier

Packaging Details:
- G.W.: 13kg