Pre-order

S.M.S.L - A300

Desktop Power Amplifier

Sale price₹ 18,999 Regular priceMRP: ₹ 19,999
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DELIVERY

1. What is a Pre-Order product?
A Pre-order product is a product that we especially order for you from the brand. Once you place an order with us, we will order it from the brand for you.

2. How do I know when the product will be delivered?
There is a rough timeline on the product availability and once it has been confirmed with the brand, we will inform you.

3. Do you order the product from the brand as soon as I place the order?
We do not immediately order the product but add it in the upcoming order.

4. Will you be giving me updates?
Once we have ordered the product and have a confirmed timeline, we will give you an update.

5. I’d like to make changes to/cancel my order?
You can only cancel/make changes to your order until we place the order with the brand. Since the product is specifically being ordered for you, we will be unable to cancel/make changes once we order the product from the brand.

Free Shipping
7 Day Replacement Guarantee

In case you receive the S.M.S.L - A300 with a manufacturing defect, please raise a return request within 7 days of delivery.

However, if you receive an incorrect / damaged / different product or one with missing accessories, please raise a return request within 24 hours of delivery. In case you receive a product with a missing, incorrect, or faulty accessory, you will be given a replacement accessory instead of the entire product.

Please make sure that the product is in the original packaging with all the accessories it came with. We'll also need an unboxing video and images of the parcel to investigate about the discrepancy. You may be asked to share images of the product and the packaging received for us to determine the damage or defect prior to approving the return request. The free replacement will be shipped only once the original order is returned.

A replacement will be issued only if:

- It is found to be defective
- It is determined that the product was not damaged while in your possession
- The product is not different from what was shipped to you
- The product is returned in original condition (with brand’s/manufacturer's box, MRP tag intact, user manual, warranty card and all the accessories therein)

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Warranty & Services

Don't sweat it, this S.M.S.L - A300 comes with a 1 Year warranty from S.M.S.L that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about S.M.S.L's warranty in India.

Club Audiophile

Join Club Audiophile to begin your pursuit of great sound. Earn points and save on every purchase.

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Why S.M.S.L is Special

🇨🇳

Designed in China

Established & Reputed

Trust us, our reputation speaks for itself 🏆!


I believe that when a brand has decades of proven excellence, you can invest with confidence knowing your purchase is backed by years of audio engineering expertise. These products come from manufacturers with extensive histories of innovation and unwavering commitment to sonic excellence. Think of them like luxury watch brands - their reputation has been earned through decades of consistent quality and innovation.


With their extensive history of innovation and countless satisfied customers worldwide, you can be confident your investment is backed by proven audio engineering expertise and industry leadership 📈.


When you see "🎖️ Established & Reputed" products, expect time-tested excellence from manufacturers who've consistently demonstrated mastery in audio engineering for generations.

Specialist

A masterpiece from experts who know audio inside and out 🔧!


I tend to describe specialist manufacturers as "audio artisans" who focus exclusively on perfecting specific categories of equipment. These products are meticulously crafted by dedicated experts who possess deep knowledge of sound reproduction, ensuring every technical aspect is refined to perfection. Think of them like master craftsmen who spend their entire careers perfecting one specific skill - their focused expertise shows in every detail.


These dedicated experts bring years of specialised knowledge to the design process, resulting in products that consistently achieve exceptional performance standards through focused engineering excellence 🎯.


When you see "🌟 Specialist" products, expect focused expertise from manufacturers who dedicate their entire efforts to perfecting specific audio equipment categories.

🐣

Born in 2009

Why we love this DAC/Amp

Value for Money

I've found that the best gear isn’t always the most expensive. Some products punch well above their weight and deliver performance that rivals higher-priced alternatives. That’s what we mean with the "Value for Money" badge. It’s our way of telling you that you’re getting something special without breaking the bank. 🥜


These products are all about maximum returns for minimal investment. You’re not just saving money — you’re gaining an audio experience that exceeds expectations. Whether it’s build quality, tuning, or bundled accessories, these picks overdeliver.


When you see '🥜 Value for Money' products, expect impressive performance at an affordable price, making them a smart pick for budget-conscious buyers or first-time audiophiles.

For Budding Enthusiasts

In my experience, discovering good audio gear early on is a bit like tasting great coffee for the first time — once you've had a sip, you're hooked. "For Budding Enthusiasts" is a badge we use for products that are perfect gateways into the audiophile world. They're easy to use, not overly expensive, and give you a real taste of what good sound can be — without needing a degree in audio engineering. 🎧


These are the IEMs, headphones, and DACs that let you dip your toes into premium sound without drowning in choices. They balance performance, price, and practicality beautifully. Whether you're buying your first serious pair or helping someone else start their journey, these picks deliver satisfaction straight out of the box.


When you see '🪴 For Budding Enthusiasts' products, expect simple setups, solid sound quality, and an easy upgrade path — perfect for your first foray into better audio.


Audiophile Community Favourite

When I see a product that keeps coming up in forums, Reddit threads, and community meet-ups, I know it’s earned its place. "Audiophile Community Favourite" is our way of spotlighting the gear that real listeners — not just reviewers — swear by. 🦋


These are products that enjoy a sort of cult following for all the right reasons: consistently great tuning, build, and value. They're the kind of recommendations you'd get from a friend deep in the hobby. If you're the type who likes going with a proven crowd-pleaser, these picks are beloved by thousands of ears.


When you see '🦋 Audiophile Community Favourite' products, expect reliable recommendations backed by passionate users, often refined over years of trust and love from the community.

Incredibly Popular

Some things deserve all the attention ⭐!


I've found that when something becomes incredibly popular in the audio world, it's usually for very good reasons. This exceptional audio gear has earned widespread popularity by consistently delivering outstanding performance that resonates with listeners across diverse preferences and experiences. Think of it like that blockbuster movie that everyone loves - sometimes, universal appeal indicates genuine quality rather than just marketing hype.


The widespread acclaim isn't just about trend or marketing - it's a testament to genuine quality and performance that has been consistently demonstrated through real-world usage. This popularity has been earned through merit, delivering reliable satisfaction to countless users 📈.


When you encounter "🥇 Incredibly Popular" products, expect proven excellence validated by the collective experience of satisfied users who've made these their go-to choice.

For Audiophiles at Home

I’ve always loved the ritual of coming home, settling into my favourite chair, and firing up a dedicated setup. Gear labelled For Audiophiles at Home is made for those moments — when you can really sit back and appreciate music in its purest form 🛋️. These products tend to be more powerful, larger, and often require wall power — perfect for a stationary rig.


Here’s the trade-off: these setups often involve external DACs, amps, or full-size headphones, which means more space, more power, but also more immersive listening. They shine when used in quiet environments, where detail, depth, and dynamics can truly be appreciated.


When you see '🏠 For Audiophiles at Home' products, expect: exceptional fidelity, stronger output, and the kind of soundstage that makes you never want to leave your listening chair.

Connect With Cable

In my experience, there’s still nothing like the dependability of a wired connection when it comes to audio 🎧. I love describing it as the direct flight of music — no delays, no turbulence. When a product says “Connect with Cable,” it means you’re getting the most reliable signal path, with zero wireless compression and minimal interference.


Here’s what’s actually happening: a physical cable transmits uncompressed analog or digital signals directly from your source to your gear. This results in lower latency, no signal drops, and consistently better sound — especially when paired with a good DAC or amp. It’s ideal for critical listening, gaming, and professional use. The trade-off? You’re tethered — but for a lot of audiophiles, that’s a small price to pay for sonic purity.


When you see '🔗 Connect With Cable' products, expect: pure, uninterrupted sound quality that lets your gear perform at its full potential — perfect for focused, high-fidelity listening.

Built like a Tank

Durability concerns? Rest assured 💪.


I tend to describe these products as audio equipment that's built to survive anything you can throw at them. These headphones incorporate high-grade metal components and reinforced design elements that ensure they can handle demanding conditions while maintaining structural integrity. Think of them as the military-grade vehicles of the audio world - over-engineered for reliability and built to last decades, not just years.


The metal construction provides exceptional strength and longevity while contributing to a premium feel that serious audio enthusiasts appreciate. Whether you're a professional who needs reliable daily-use equipment or someone who values long-term investment in audio gear 🏗️.


When you encounter "🪖 Built like a Tank" products, expect unmatched robustness and durability you can count on for years of intensive use.


Why it Sounds Amazing

Power Output

I like to think of power output in audio gear like engine horsepower, it determines how much muscle your setup really has 💪. Whether you’re trying to drive a pair of power-hungry planar headphones or just want headroom for dynamic peaks, power output is the spec you want to check first.


Technically, it refers to the amount of electrical power (measured in mW or Watts) an amp or DAC/Amp combo can deliver to your headphones. More power means better control, improved dynamics, and the ability to handle demanding gear without distortion. But more isn’t always better, too much power with sensitive IEMs can introduce hiss or harshness.


When you see '🚀 Power Output' products, expect: strong driving capability, better dynamics, and optimal performance with headphones that need serious juice to shine.


SMSL PRESENTS THE ALL-NEW DIGITAL POWER AMPLIFIER WITH AN INDUSTRY-LEADING AUDIO ARCHITECTURE

S.M.S.L is a Hi-Fi audio brand specialising in high-quality premium desktop audio gears. Foshan ShuangMuSanLin Technology Co., Ltd, founded in 2009, located in Shenzhen, China, is a company that specialises in audio DAC, stereo headphone amplifiers, and power amplifiers. Utilising their years of expertise, S.M.S.L presents the all-new A300 desktop power amplifier. With the recently released digital power amplifier chip from German company Infineon, the S.M.S.L A300 is a premium desktop power amplifier that includes it in its circuitry. It effortlessly delivers a robust performance to power-hungry speakers. Up to 165W*2 of output power is available from the A300 at a 4 Ω load. S.M.S.L A300, with its unique BTL mode, may also be utilised as a high-power mono speaker amplifier. The A300 generates up to 330W*1 of pure power in this high-power mode, which is plenty for large and demanding speakers. The S.M.S.L A300 uses top-notch audiophile-grade components to build a high-end sound system. It also has a subwoofer output that enables you to experience a 2.1-channel audio system. S.M.S.L A300 also supports Bluetooth 5.0 so that you can stream music wirelessly. If you are looking for a digital power amplifier on a budget, the S.M.S.L A300 is a fantastic choice!

Headphone-Zone-S.M.S.L-A300

FEATURES GERMAN INFINEON'S NEW DIGITAL HIGH-POWER AMPLIFIER CHIP AND BTL MONO MODE DELIVER MASSIVE POWER OUTPUT

S.M.S.L A300 adopts a high-power power amplification chip from Infineon, a well-known amplification chip manufacturer from Germany. It enables the device to provide powerful amplification to the audio signal while keeping the distortion values low and the background clean. German Infineon's new digital high-power amplifier chip has higher quality, high efficiency, and low energy consumption. The S.M.S.L A300 can also be bridged (BTL) into a single-channel amplifier with a higher power to drive speakers. A bridge-tied load (BTL), also known as bridged transformerless and bridged mono, is an output configuration for audio amplifiers, a form of impedance bridging used mainly in professional applications. The two channels of a stereo amplifier are fed the same monaural audio signal, with one channel's electrical polarity reversed. The S.M.S.L A300 can be bridged into a single-channel amplifier with a higher power to drive speakers.

Headphone-Zone-S.M.S.L-A300
Headphone-Zone-S.M.S.L-A300

A300 ACHIEVES PRECISE VOLUME ADJUSTMENT WITH NJRC VOLUME CONTROL CHIP

The NJW1194 digital volume control chip from NJRC, a well-known Japanese company, has been highlighted by S.M.S.L. The NJW1194 is a 2-channel electronic volume with4-in a 1-out stereo audio selector and Tone Control. The NJW1194 enables low distortion characteristics with a resistance ladder circuit. The output volume may be accurately adjusted and controlled with NJW1194 in its circuitry. This design configuration allows you to pair speaker systems with the A300 that require low or high power. With NJW1194, you have access to; precise volume control adjustment with ultra-low distortion.

Headphone-Zone-S.M.S.L-A300
Headphone-Zone-S.M.S.L-A300

POWER YOUR DEMANDING SPEAKERS WITH BUILT-IN SMSL SDB PATENTED SOUND ALONG WITH TREBLE AND BASS ADJUSTMENT

The answer to your desktop chain is the S.M.S.L A300, a high-power power amplifier which outputs clean and precise audio signal amplification. It was created to power high-quality bookshelf speakers. The S.M.S.L A300 outputs up to 165W of power at 4Ω of the load. Even at a high 8Ω impedance load, the A300 produces about 85W of power per channel. The S.M.S.L A300 has a built-in SMSL SDB patented sound and treble/bass adjustment allowing you to have complete control over; your music. The built-in high-pass filter circuit can filter out the subwoofer, drive the main speaker, and cooperate with the subwoofer to form a 2.1 channel stereo system. This setup is made possible by the S.M.S.L A300's ability to connect the active subwoofers with ease, thanks to its subwoofer signal pre-output. The S.M.S.L A300 has EQ functions like direct, SDB, super bass, soft, tone, bass, rock, and clear or off.

Headphone-Zone-S.M.S.L-A300
Headphone-Zone-S.M.S.L-A300

S.M.S.L A300 IS HI-RES CERTIFIED WITH BLUETOOTH 5.0 SUPPORT FOR WIRELESS CONNECTIVITY

The S.M.S.L A300 is a Hi-Res certified device with loads of functionality under its belly. The S.M.S.L A300 supports the latest Bluetooth V5.0 connectivity, where users can feed the signal to the A300 using their smartphones and tablets. With the introduction of wireless technology, the world has gone surreal for streaming music without having to deal with the annoyance of wires. The engineers at S.M.S.L created the A300 with Bluetooth capabilities. You can now stream your music wirelessly with better sound quality and longer transmission. With the latest Bluetooth 5.0 support, there is no loss in the signal, and you can experience lag-free audio reproduction with the S.M.S.L A300.
A300

Headphone-Zone-S.M.S.L-A300
Headphone-Zone-S.M.S.L-A300

EXQUISITE ALUMINIUM ALLOY DESIGN COUPLED WITH INPUTS AND OUTPUTS AND BUNDLED WITH ACCESSORIES AND A REMOTE

The S.M.S.L A300 sports an all-aluminium alloy body that has undergone CNC precision processing, anodizing, and chamfering. It was constructed with a significant amount of audiophile-grade audio parts. The A300 is a silent performer because of the design's strong heat dissipation capabilities. It also has a high-quality dedicated switching power supply. The front panel of the A300 consists of a display screen, volume knob, input, menu, and on/off button. The rear panel consists of numerous inputs and outputs. It consists of Line IN analogue inputs, right channel output during BTL, USB connection, Bluetooth antenna, right and left channel output, power input and subwoofer output. The S.M.S.L A300 also comes with a fully functional remote; you can control your music from the comfort of your couch.

Headphone-Zone-S.M.S.L-A300
1 Year Warranty

Don't sweat it, this S.M.S.L - A300 comes with a 1 Year warranty from S.M.S.L that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about S.M.S.L's warranty in India.

Unveiling Cutting-Edge Audio Technology

Established in 2009, Foshan ShuangMuSanLin Technology Co. Ltd. is based in Shenzhen, China. S.M.S.L specializes in audio equipment including DACs, stereo headphone amplifiers, and power amplifiers. With an in-house R&D, manufacturing, and marketing team, S.M.S.L has built an extensive sales network covering 33 cities in China. Additionally, S.M.S.L has developed strategic partnerships with several countries, including Japan, Britain, Germany, Portugal, and Singapore. Their products are exported to over 30 countries worldwide and have garnered high customer satisfaction.

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Customer Reviews

Based on 7 reviews
71%
(5)
29%
(2)
0%
(0)
0%
(0)
0%
(0)
S
Shankar Ram (Madurai)
Great amp for the price

Excellent amp

Hey there, thanks a lot for your amazing review!

K
K.r.M. (Visakhapatnam)
Excellent product

It is an excellent device among the most costliest amplifiers the quality of the product is un comparable with any other device in amplifier family its sound so natural and melodies and clister clear in every level of its performance
This product ever beats any costliest amplifier
The functions included in this device doesn’t match with any high res amplifier

S
Saravanan S (Bengaluru)
Design and Comfort:
Great
Poor
Sound Quality:
Awesome
Awful
Value for Money:
Bang On!
Not at all
Best budget Amplifier

A300 is one of the best budget amplifier you can get. It is very clean and powerful class D amplifier. Class D amplifiers are not a joke anymore. You can buy 2 and use it in bridge mode as monoblocks.

It has excellent build quality. Sound quality through Bluetooth and USB is not so good compared to the RCA. Only disadvantage I see is the blue led light. They should have given option to switch off the led light. Other than that extremely happy with this product.

Hey there, nothing makes us happier than knowing you loved your purchase, hope you had a comfortable shopping experience and thank you for the great review and ratings!

D
Devendra Vala (Junagadh)
Design and Comfort:
Great
Poor
Sound Quality:
Awesome
Awful
Value for Money:
Bang On!
Not at all
SMSL A300 power amplifier

Excellent , easily drive Kef LS50, awesome sound quality for a little money , easily beats atleat 5 times costing class AB amplifier

Thank you for your amazing review!

J
JS (Bengaluru)
Design and Comfort:
Great
Poor
Sound Quality:
Awesome
Awful
Value for Money:
Bang On!
Not at all
Great Speaker amp

This is a very impressive speaker amp for its size and price. Has good resolution and neutral tone. Doesn't have the wierd tonality issues most class d amps do. Able to drive speakers even in a very large room. Recommend

We're happy to hear this positive feedback. Thanks for sharing it with everyone!

J
Jayaprakash Narayanan (Kannur)
Design and Comfort:
Great
Poor
Sound Quality:
Awesome
Awful
Value for Money:
Bang On!
Not at all
A300 is a budget powerhose

Excellent product, clear and powerful sound

Hey Jayaprakash Narayanan, thank you so much for the awesome review!

r
ravin thapa (Aizawl)
Design and Comfort:
Great
Poor
Sound Quality:
Awesome
Awful
Value for Money:
Bang On!
Not at all
In one word - POWERFUL!

This little amplifier is extremely powerful but a bit sharp/lean for my liking hence the 4-star.

We really appreciate the genuine feedback, we'll share your thoughts with the brand as well!

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