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Fosi Audio HT4S Bluetooth Amplifier for Outdoor Speakers, 4 Channel Power Amp

Fosi Audio HT4S Bluetooth Amplifier for Outdoor Speakers, 4 Channel Power Amp

Regular price $119.99
Regular price Sale price $119.99
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Designed for Multi-Speaker Scenarios and Sim Racing Gaming

The built-in power supply design achieves minimal footprint, and the front panel indicator light adds a sense of atmosphere; whether it is simulator racing, patio parties, or immersive movie watching, The HT4S integrated amplifier is your ideal choice.
Input: 3.5mm AUX, Optical, Bluetooth. Output: 3.5mm Pre-Out, Passive Speakers+Subwoofer
Rated Power Output: 4.1 Channel: 30w*4+60W*1 @4ฮฉ; 5.0 Channel: 30W*5
Max Power Output: 50Wx5 @4ฮฉ

Designed for Multi-Speaker Scenarios and Sim Racing Gaming

The built-in power supply design achieves minimal footprint, and the front panel indicator light adds a sense of atmosphere; whether it is simulator racing, patio parties, or immersive movie watching, The HT4S integrated amplifier is your ideal choice.
Input: 3.5mm AUX, Optical, Bluetooth. Output: 3.5mm Pre-Out, Passive Speakers+Subwoofer
Rated Power Output: 4.1 Channel: 30w*4+60W*1 @4ฮฉ; 5.0 Channel: 30W*5
Max Power Output: 50Wx5 @4ฮฉ


Multi-Functional Remote

Provides functions like device power on/off, input mode switching, one-touch mute, etc., offering greater convenience.


  • All-in-One Amp:ย A mini amplifier that integrates DAC and power amplification. This stereo amplifier supports up to 5 channels output, switchable between 4.1 and 5.0 channels. It features Bluetooth, AUX, and optical digital inputs, along with pre-out and support for up to 5 speaker outputs.
  • Multi-Scenario Solution:ย Ideal for pairing with outdoor speakers or wall-mounted speakers, perfect for setting up 2 to 5-channel audio systems in environments like patios, cafes, restaurants, bars, etc. It can also serve as a home theater or desktop HiFi system amplifier, meeting your diverse needs from indoor to outdoor settings.
  • Enhanced Immersion:ย Take your sim racing and home theater experience to a whole new level! By pairing with bass shakers, its sufficient power output and bass boost help significantly enhance the realism of racing simulator games. When watching movies at home, the vibration feedback can also help you experience your movies in another dimension, making every movie feel more realistic like being in a cinema.
  • Effortless Operation:ย Featuring a comprehensive user-friendly design with a built-in power supply, accompanied by remote control, supporting bass and treble tone adjustment, a multifunctional central knob for volume control, powering on/off and mode switching, LED mode indicator ambient light, etc. Enjoying music has never been easier.
  • Elegant and Durable:ย Continuing Fosi Audio's tradition of an all-aluminum alloy body design, the CNC unibody construction and fine metal sandblasting process highlight a minimalist aesthetic. The full metal body ensures durability, and you can enjoy Fosi Audio's 24-month guarantee for every unit.
  • Note: The HT4S is a stereo amplifier and does not support Dolby, DTS, or other multichannel surround sound modes

  • Channel :ย Bluetooth 4.1 CH Amp
  • Input :ย Bluetooth + 3.5mm AUX + OPT
  • Output :ย 3.5mm Pre-Out + Speaker Out
  • SNR :ย โ‰ฅ88dB
  • THD :ย โ‰ค 0.03%
  • Terminal Impedance :ย 4-8ฮฉย 
  • Rated Power Output :ย 30w*4+60W*1
  • MAX Power Output :ย 50Wx5 @4ฮฉ
  • Work Voltage:ย AC 110V - 240Vย 
  • Product Dimensions :ย 6.1 x 7.2 x 2 inches

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โ†’Fosi Audio HT4S User Manual

View full details

Customer Reviews

Based on 15 reviews
73%
(11)
7%
(1)
13%
(2)
7%
(1)
0%
(0)
T
Torin S.
Surprisingly clear audio and volume across 5 channels.

The build quality is quite satisfying with a sleek all metal enclosure and considerable heft. The adjustable 2-band EQ works, and can over power satellite speakers fairly easily, though for larger speakers it wonโ€™t push that much bass through them, but it advertises it as such, and the sub pre-out is a true pre-out with little-to-no noise. Total volume is surprisingly loud through 5 Klipsch Quintet |||โ€™s. Bluetooth is stable and far reaching (near other side of house through walls far). Recommended, especially for the price point and compactness.

M
Marco
Klasse!

Taugt super fรผr Bodyshaker am Sofa oder SimPit! Ordentlich rumms und Power! Habe 2

D
David Mendes
Bom produto mas output limitado.

No geral, bom produto: caixa solida e bem construida, facil instalacao, excelente design e som razoavel.A unica razao pela qual nao dou 5 estrelas e o output de som e bastante baixo.Provavelmente, irei comprar novamente no futuro para outro tipo de utilizacao (pequeno escritorio, ou sistema de som exterior).

C
Client d'Amazon
avis positif

Arrivรฉ dans les delais.Produit de qualitรฉ

T
TheBoxBit
a great option for those seeking a compact, affordable, and high-quality amplifier

The Fosi Audio HT4S is a compact yet powerful Bluetooth amplifier. It combines Bluetooth connectivity, solid build quality, and impressive sound performance into a small, user-friendly package.Design and Build QualityThe first thing you'll notice about the Fosi Audio HT4S is its sleek and compact design. Housed in a sturdy metal casing, the amplifier feels durable and well-made, with a minimalist aesthetic that can easily blend into any home audio setup. Its small footprint makes it a perfect choice for users with limited space, whether on a desk, bookshelf, or entertainment center.The front panel features simple and intuitive controls, including a volume knob, input selector switch, and an LED indicator. There are also several input options, including RCA and Bluetooth, making it versatile for connecting multiple audio sources. The Bluetooth antenna is discreet yet effective, ensuring a stable connection.Features and ConnectivityThe Bluetooth 5.0 capability of the HT4S is one of its standout features. It offers seamless wireless connectivity, allowing you to stream music from smartphones, tablets, or laptops with ease. Pairing is quick and reliable, and the Bluetooth range is impressive, maintaining a stable connection even across larger rooms. The Bluetooth signal supports aptX, which ensures high-quality audio streaming with minimal latency.In addition to Bluetooth, the HT4S offers RCA inputs, allowing for wired connections to a wide variety of audio devices, CD players, or desktop computers. This makes it a versatile amplifier, suitable for both modern and traditional audio setups.Sound PerformanceFor such a compact amplifier, the sound quality of the Fosi Audio HT4S is remarkable. Powered by a high-performance amplifier, it delivers clean, powerful sound that punches above its weight in terms of size and price. The HT4S can drive a wide range of speakers, from small bookshelf models to larger floor-standing units, with ease.The sound signature is balanced and detailed, with a slight emphasis on the midrange and highs, making it ideal for vocal-heavy music or instrumental tracks. Bass is tight and controlled, though not overly boomy. If you're looking for more bass impact, pairing the HT4S with a subwoofer would be a good idea, as it lacks a dedicated bass boost feature.One of the most impressive aspects of the HT4S is its low noise floor. Even at higher volumes, it produces minimal distortion, providing clear and crisp audio output. Whether you're using it for casual music listening or as part of a more serious home audio system, the sound quality is more than satisfactory.Ease of UseThe HT4S is designed with user convenience in mind. Setting up the amplifier is straightforward, and the controls are intuitive. The volume knob has a smooth, precise feel, and switching between inputs is as simple as flipping a switch. The LED indicator makes it easy to see which input mode you're in.Durability and Heat ManagementThe metal housing not only looks sleek but also helps with heat dissipation. The HT4S runs cool, even during extended listening sessions at higher volumes. This is an important feature, especially for those planning to use the amplifier for long hours. Its solid build also suggests that it will stand the test of time with proper care.Price and ValueAt its price point, the Fosi Audio HT4S offers excellent value for money. Itโ€™s hard to find such a compact amplifier that delivers on sound quality, build, and Bluetooth performance at this price range. Itโ€™s an ideal choice for those looking for an affordable yet high-performing amp to power bookshelf speakers or create a wireless streaming setup.Final VerdictThe Fosi Audio HT4S Bluetooth Amplifier is a great option for those seeking a compact, affordable, and high-quality amplifier. Its combination of Bluetooth 5.0 connectivity, versatile inputs, and impressive sound quality makes it suitable for a wide range of applications, from casual listening to powering more serious home audio systems.Pros:Compact, durable, and stylish designBluetooth 5.0 with aptX for high-quality wireless streamingClean and powerful sound with low distortionMultiple input options (Bluetooth and RCA)Easy to set up and useCons:Bass output might feel a bit light for bass-heavy genresLacks a dedicated subwoofer outputOverall, the Fosi Audio HT4S offers excellent performance for its price, making it a fantastic choice for audiophiles on a budget or anyone looking to enhance their home audio setup.

SHIPPING&RETURN

Shipping Fees

Worldwide Free Shipping on RONDOSON, Please allow 1-3 business days for conduct Quality Control in order to ensure the products quality.

If a customer would like the order reshipped, theyโ€™ll be charged a reshipment fee. Customers may also be subject to a restocking fee of up to 20 percent of the product cost.

7 Days DOA Product Guarantee

If one or more of the items you received are damaged, different, or not working, you will be protected by this Guarantee. Please contact us for Return Material Authorization within 7 days of the order being received. (Customized products are NOT covered by this guarantee)

After returning the product to the address provided by our customer service team, we can send you a new item free of charge (we will reimburse you the return shipping cost), or you can choose to receive a full refund.

30 Days No Reason Return

If you are not satisfied with your purchase and the product is still in brand new condition, we can arrange a partial refund, which will cover the price of the item minus the shipping fees. You will be responsible for paying the return shipping fees and return duties.

Please contact us for Return Material Authorization within 30 days of the order being received.

Notes๏ผš

30 days is the time between when the order is marked as delivered and when the returned package is marked as shipped.

Return requests made between 7 and 30 days after the order is marked as delivered will be subject to a 10% restocking fee.

Be sure it's in good condition with all the accessories included, no damage, no lost, or we might charge extra 50% damage fee, and the cost of accessories will be deducted if lost.

Items such as Eartips / Leather case / Cable / Custom Products are not covered by this guarantee due to hygiene considerations.

180 Days up to the Quality of the Exchange or Refund

If there are quality problems in some categories of products, you can get a refund or exchange up to 180 days. You can contact us to learn if the product is in this category.

Note: Due to its nature and intended use, Eartips, Cable, Leather case, Headphone accessories and other similar items are not included in this warranty period. For other product details please contact us or reference other warranties.

Which Couriers To Use?

Given the amount of shipping partners we work with and the vast coverage area we serve, there are likely regions with much longer transit times than others. If you have any feedback, suggestions, or problems with the courier of your shipment, please feel free to submit a support ticket via the "Contact Us" button below.

Our goal is to provide our customers with the best shipping experience possible at a reasonable cost. This is why we constantly negotiate with existing shipping partners for lower rates and actively test new couriers for potential opportunities.

PO boxes or APO/FPO

The ability to ship to PO boxes or an APO/FPO address depends on the item's weight. If an item weighs more than 9 pounds, we wonโ€™t be able to ship to these addresses because of our current courier agreements.

To determine if your order is eligible for shipment to PO boxes or an APO/FPO address, please contact RONDOSON Support.

Estimated Delivery Time

For customers in the continental United States:

5 to 14 business days from the date of shipping

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For customers in Hawaii and Puerto Rico:

2 to 4 weeks from the date of shipping

International customers can expect longer shipping times, depending on the country in which they live:

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Canada: 1 to 3 weeks from the date of shipping

Australia, New Zealand, Germany, France, and the UK: 2 to 4 weeks from the date of shipping

Other countries not listed above: 3 to 6 weeks from the date of shipping

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Please keep in mind that these are rough estimates and shipments can be delayed due to unforeseen circumstances, like postal strikes or severe weather.

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If, for some reason, you donโ€™t receive your order within the estimated time frame provided above and suspect that it might be lost in transit, please submit a support ticket from your transactions page and we can look into the order with the courier. Lost-in-transit requests must be submitted to RONDOSON Support within 4 months of the date of shipping or before the courier archives the tracking information.