S.M.S.L H300 Fully Balanced Headphone Amplifier and Preamp 4xPLFC 10000mWx2 Hi-Res Headphone Amp 6.35mm SE/4.4mm/XLR/RCA Output 3 Gain Desktop Amps for Earphones/Headphones/IEM(THD+N:0.00006%)

Price: $79.99 - $295.99
(as of Jan 16, 2025 19:24:09 UTC – Details)

From the brand

About The Aunis Hifiman

Aunis Hifiman is an authorized dealer of SMSL.Topping .Gustard that supplies audio DAC, headphone balanced power amp preamp.

About The SMSL

SMSL established in 2009 and is located in Shenzhen, China. The company is a leading manufacturer of audio DACs, power amplifiers, and stereo headphone amplifiers, with own R&D, manufacturing, and marketing teams. It have about 10 middle and senior engineers with rich experience in product development and professional management to ensure that each product is of the highest quality and performs excellently.

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CS43131 DAC chip.Supporting transmission to MQA DAC3.5mm headphone outputSlot-in mechanism components.Optical and coaxial output

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USB Bluetooth 5.0 Subwoofer 2.1 System.BTL mode, enjoy more power through subwoofer preamp output.MA5332MS chip 2x160W 4 ohms.

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2-channel Hi-Fi digital amplifier[MA12070] x2 amplifier chipsBluetooth 5.0 2x70W 4 ohm

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SMSL PL200 MQA-CD Player

Hi-End CD solution, support MQA-CD. MQA full decoding.Bluetooth 5.1Flagship DAC chip AK4499EX, measured distortion as low as 0.00006% .

SMSL VMV Hi-Res: D2R & P2

USB MQA DACBalanced Headphone Amp

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Precision Access Servo System (P.A.S.S.):Features fast response and accurate reading.Support MQA full decoding .Clock input and output.

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Our work goal and services purpose:

We are committed to providing excellent products and services to each customer.

Our goal is to make audiophile sound accessible to everyone and push the boundaries of music technology. AUINS has partnered with S.M.S.L to bring you quality products online at the best prices.

What services do we offer our customers

1. All SMSL products you buy from our store are 100% authentic.

2.We provide 24-hour online service, if you have any questions, Welcome to reach out to us at any time.

3.1 year or more from the date of purchase Pledge (depending on the product).



【Fully Balanced Design】: SMSL H300 headphone amps have 4 ultra-low distortion precision linear feedback circuits (PLFC), ensuring original sound reproduction. The amplifier can drive 16-ohm output power up to 10000mW, and 32 ohms up to 5000mW. It can perfectly drive all kinds of headphones. Its frequency response is 20Hz to 100kHz(-0.5dB) frequency response. For it delivers impressive audio performance to bring your music to lifelike.
【Low Noise & Low Distortion】: An audio component amplifier’s specially designed volume potentiometer greatly reduces channel deviation. Each channel uses 32 low-noise op amps in parallel, a total of 64 op-amp ICs are installed for the power amplifier. These high-performance ICs reduce noise and enhance overall sound quality. The distortion is as low as 0.00006%, the A-WTD is as low as 133dB. Can ensure optimal signal integrity and minimal distortion.Enjoying crystal-clear audio reproduction.
【3 Gears Gain Control】: The s.m.s.l h300 balanced headphone amplifier has a customizable listening experience with togglable gain control, choose from high, medium, and low gain Settings to match the impedance and sensitivity of the headset. It can meet the needs of various audio equipment. The low gain Settings are optimized specifically for IEM to provide excellent audio quality even at lower volumes
【3 Different Headphone Outputs】: Balanced 4.4mm jack, balanced 4-pin XLR, and 6.35mm unbalanced headphone output terminal. Balanced headphone amps have low output noise and easily drive low-impedance headphones and power high-sensitivity IEMs without background hiss. This enables it to meet different headphone needs in the market, including IEM headphones and full-size headphones. It has a pre-output function, outputted by XLR and RCA, and can also be used as a balanced preamplifier.
【Desktop Amplifier】: Ultra-compact design, very suitable for desktop headphone systems. The classic retro toggle cutover operation, accurate and convenient operation, adds a touch of nostalgia.
We Offer The Following service: We products we handle are 100% genuine. Returns can be made within 30 days from the date of purchase, We also offer 24-hour online service. If you have any questions,Welcome to reach out to our after-sales team at any time.