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Description
Dual-Mode Versatility
Experience the next level of audio versatility with the Fosi Audio ZA3 Balanced Stereo Amplifier. This innovative mini amplifier seamlessly switches between stereo and mono modes, offering a robust 155W output in stereo and a staggering 235W in mono. Pair two ZA3 units in mono configuration for a powerful audio system, elevating your listening experience to new heights.
Rich Connectivity
The ZA3 introduces a new era of connectivity with its balanced input and trigger-in features. The balanced combo audio signal input connector supports both XLR and 1/4" TRS plugs, minimizing interference and reducing the noise floor. The 12V trigger-in connector enables effortless synchronization with other devices, simplifying the on/off process without individual operations.
Audiophile-Grade Components
Immerse yourself in unparalleled audio quality with the Fosi Audio ZA3. This amplifier delivers exceptional clarity and low distortion, featuring the TPA3255 high-end Class-D amp chip, Japanese NCC, ELNA, German WIMA capacitors, and Japanese Sumida inductors. With a SINAD rating of up to 89dB, an SNR of up to 106dB, and a low noise floor of only 150μV, the ZA3 sets a new standard for audiophile-grade components.
Advanced Heat Dissipation
Built on V3's groundbreaking heat dissipation design, the ZA3 goes even further with an upgraded cooling system. The larger chassis, side vents, and added dust covers ensure improved ventilation, resulting in sustained and stable high-power output. Enjoy uninterrupted audio performance without compromising on thermal efficiency.
Enhanced Scalable Fun
Customize your audio experience with the ZA3's op-amp rolling feature. This amplifier has five swappable op-amps for left and right channel outputs, balanced input, and subwoofer output. Experiment with compatible DIP8 dual op-amps like Sparkos SS3602, MUSES02, OPA2134PA, OP249, AD827, RM4558, LM4562, LME49720HA, and more to fine-tune your sound to perfection.
Customer Reviews
This mini-amplifier from Fosi Audio Packs quite a punch, relative to its size, especially with the subwoofer preout. Excellent value for money, sturdy build quality and outstanding performance. I'm using the ZA3 to power my rear bookshelf speakers in a 5.1 configuration-- Main Anthem power amp for my fronts and center, ZA3 for the rear through the Anthem preamplifier--Great synergy, Great Buy, God for It!
Thank you for your positive review of the Fosi Audio ZA3 Balanced Stereo Amplifier! We are glad to hear that you are enjoying the power and performance of this mini-amplifier, especially with the added subwoofer preout. We take pride in providing excellent value for money and sturdy build quality. Thank you for choosing Fosi Audio & The Audio Store, and we hope you continue to enjoy your setup with our ZA3 amplifier. Keep on rockin'!
Best experience of sound amplification with ease of use and very good volume control. Compact size helps in desired output replacing Bulky traditional amplifiers - Best option for Home Audio along with Bookshelf speakers.
Thank you for your positive review of the Fosi Audio ZA3 Balanced Stereo Amplifier! We are thrilled to hear that you had the best experience with our product, especially with its ease of use and great volume control. We are also glad that its compact size was able to replace bulky traditional amplifiers for your home audio setup. Thank you for choosing Fosi Audio and we hope you continue to enjoy your amplifier with your bookshelf speakers.
I bought one ZA3 and I felt both happy and sad - I had avoided class D like the plague till date for obvious reasons and I felt like a fool for the same. I was impressed with the clarity straight out of the box and ended up ordering one more box to use each as a mini lock for my system. The low end is good and quite defined, the upper registers definitely are good, but could be better. May try and get a couple of sparkos op amps and see if it improves it. For the money paid for biamping, it definitely sounds like a great option in lieu of AB class amps. It costs just 50% of entry level amps, but definitely offer more power and quality as compared to those amps. The QC control and build quality seems solid. And the foot print it occupies is rather small. I can look at this amps performance and say confidently that cheaper non hypex class D is here now and it’s here to stay.
Thank you for taking the time to leave a review for the Fosi Audio ZA3 Balanced Stereo Amplifier. We are thrilled to hear that you are impressed with its clarity and power, and that you have even ordered an additional one for your system. We understand your hesitation with class D amplifiers, but we are glad to hear that our product has changed your mind. We appreciate your suggestion for trying out different op amps and we are confident that Fosi amplifier will continue to offer great performance at a fraction of the cost of other options. Thank you for your support and for choosing Fosi Audio & The Audio Store. Happy listening!
Fosi ZA3 Good product for using power amp. I have connected with my AVR through RCA pre out for L&R channels.
Thank you for leaving a review for the Fosi Audio ZA3 Balanced Stereo Amplifier. We're glad to hear that it's working well for you as a power amp and that you were able to easily connect it to your AVR through the RCA pre out. We appreciate your feedback and hope you continue to enjoy your audio experience with our product.
Its good. Audio quality is too good after using this Fosi audio Za3 amplifier . It is in good budget also with top quality.
Thank you for taking the time to leave such a positive review! We are thrilled to hear that you are enjoying the audio quality and budget-friendly price of our Fosi Audio ZA3 amplifier. It's always great to hear feedback from satisfied customers like you. Thank you for choosing The Audio Store!
Will replace very expensive and established amplifier brands. I have used them as monoblocks with a tube preamp with my quadral m4 tower speakers and it's fabulous sound overall. Well done fosi
Thank you for your kind words and for sharing your positive experience with our Fosi Audio ZA3 amplifier. We are glad to hear that it has exceeded your expectations and that it has been able to replace more expensive brands. Thank you for choosing The Audio Store.
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Let customers speak for us
I recently got my hands on the ROSESELSA AURORA Ultra IEM, and I must say, it has exceeded my expectations! For under 2,000 INR, this IEM delivers exceptional value and performance that can easily compete with many pricier models out there.
What really stands out to me is its versatility. The AURORA shines across all genres, whether I'm diving into classical symphonies, jamming to rock anthems, or vibing with electronic beats. The sound quality is simply fantastic, making every listening session a joy.
A cherry on top is the comfort factor—these IEMs are small and lightweight, so they don’t cause any discomfort during long listening sessions. If you’ve had issues with larger IEM shells in the past, you’ll find the AURORA to be a perfect fit. Plus, the cable quality is impressive for the price, adding to the overall value of this product.
To unlock the full potential of these IEMs, I highly recommend investing in an external dongle. I personally use the Kiwi Ear Allegro Mini DAC, and it has truly elevated my audio experience. If you're on the hunt for a budget-friendly IEM that doesn’t compromise on sound quality, the ROSESELSA AURORA is a must-try!
I also want to take a moment to thank the audio store for their outstanding service. My order arrived in perfect condition, and their customer support team was incredibly friendly and helpful. Overall, this has been a wonderful experience, and I’m absolutely thrilled with my purchase!
As a v16 owner this is a worthy upgrade .
Fit :
The iem is designed aesthetically that it fits like custom made
Sound impressions :
Treble is perfectly done with being sibilant, Mids sounds very organic and clear, Bass is the best part here it's a step up from their previous flagship v16.
Staging is better and so is the resolution, A total flagship level iem which punches above the price tag
Thanks to Pritam for his exceptional customer service and deal .
Definitely recommended
Have a great features and I am very happy after buying this m71 thanks audio store 🙏🙏
Time Spent with this DAP is more than 50 days, used many IEMs from Budget range to high end.
OBSERVATION & EXPERIENCE SO FAR.
- Wide soundstage, it's creating a spacious listening experience.
- Smooth and refined sound, with good bass & trebles. I liked it.
- little high Volume doesn't hurt ears because of spaciousness which this DAP creates.
- Main unique point is Vocals & Instruments separation, it's best.
- So far, I noticed Battery back up is really good. Will check it over time and provide feedback.
- Does not get warm that too after using for hours.
- Best software & Shanling Music app, it's very fast ( I use 1TB fully loaded Micro SD card.)
Please Note - Little more care is needed while handling as it has Glass tubes. Again it's unique offering & tubes makes music more enjoyable.
CONS-
1. Charging time ( it will get solve by software updates in future, Brand has co
nfirmed it in their post)
2. Only one colour option is available from Brand.
3. Some settings currently not present, Brand may add in future updates ( DSD gain Compensation, PEQ, MSEB, Night light short cut in quick pannel)
CONCLUSION-
a. Highly recommend those who want detailed & immersive experience.
b. THREE IN ONE- One DAP but three modes, all three sounds differently. One mode Transistor (without Tubes) and two Tube modes (Triode & Ultra- linear).
Sterdy & beautiful cable. I am using it with Hidiz MP145 Planner Magnetic IEM. It add details to music over stock cable. Makes all aspect of sound quality better.
I am writing review after One month regularly uses with my two DAP - Shanling M8t, Hiby R4.
POSITIVES-
1. Best Soundstage
2. Balanced sound
3. Musical & Makes music more enjoyable to ears.
4. No fatigue despite of metal construct.
5. Weight distribution is really good.
6. Largest Magnetic planner in the Category.
7. Details & instruments separation at best.
CONS-
1. Small ears may face challenge. Plz contact team ATS before purchase. Normal ear size, No issues with fit & long usage.
2. Stock cable is good but doesn't suit this IEM.
I am using this with Divinus Auram cable, which goes really well with this by appearance as well as by performance.
CONCLUSION-
1. Very very happy with the purchase. It's my main IEM in daily music journey.
2. My suggestion is Music enthusiast must have atleast one 'Planner Magnetic IEM', believe me I found that the the songs which I am listening since decades are sounding differently with some more details with this IEM.
The KZ Castor is an excellent choice for budget audiophiles. It delivers superb sound quality that rivals much more expensive headphones, with clear highs, rich mids, and deep bass. The build quality is solid, offering both durability and comfort for long listening sessions. At its price, it’s a fantastic value, outperforming many premium options. Highly recommended!
i think it's a great choice for someone who's just starting with the "iem" audiophile thing and it sounds good pretty good for the price range, it's sound clear and crisp, the bass is a little on the lower side but nonetheless great product if you are just starting, oh and yes the delivery was fast got it in a day.
Delivery was fast and item received was in good condition
Lets get to the point, its the best budget IEM!
I have been in the IEM space for more than 6 months and I was looking for a daily driver that can handle rough use, and then Pritam Sir suggested me 7Hz G1. And it failed to disappoint me!
A nice high quality well built iem, with one of the best ergonomic design, and a proper sound isolation with tons of tip to choose from.
The iem is well tuned with proper instrument seperation and clarity, warm tuning with perfect bass and excellent soundstage compared to other budget IEMs.
If you are new to yo IEM and want to buy your first IEM, blindly go with this! Trust me you would not regret! For 3.2k, its a steal deal!
(Pro Tip: Always listen to Pritam Sir's suggestions. He is the G.O.A.T)
We had an amazing experience at The Audio Store. Pritam, the shop expert, was incredibly helpful and knowledgeable. He patiently guided us through the world of in-ear monitors, explaining all the details and helping us understand what would work best for our band, Rhythm Freak. He suggested options that perfectly matched both our budget and our musical needs, making sure we got the best value without compromising on quality. Thanks to his expertise, we walked out confident and satisfied with our purchase. Highly recommend this store to any musician looking for top-notch gear and excellent service
Sound quality ausom but not for base lover's
Top notch earphone Mike quality 🔥.gaming, music etc highly recommend ❤️🎧
I believe this is the best tws under 10000 rupees also it is an iem
Thank you audio store. The sound is amazing. It was delivered within time and product was perfect.
