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Fosi Audio HT4S

Fosi Audio HT4S

৳ 18,500

Specifications

  • Channel : Bluetooth 4.1 CH Amp
  • Input : Bluetooth + 3.5mm AUX + OPT
  • Output : 3.5mm Pre-Out + Speaker Out
  • SNR : ≥88dB
  • THD : ≤ 0.03%
  • Terminal Impedance : 4-8Ω
  • Rated Power Output : 30w*4+60W*1
  • MAX Power Output : 50Wx5 @4Ω
  • Work Voltage: AC 110V – 240V
  • Product Dimensions : 6.1 x 7.2 x 2 inches
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Fosi Audio HT4S 4.1/5 Channel Bluetooth Amplifier

Easily handle various audio inputs and outputs, providing up to 5 channels of output for seamless integration and flexible configurations to meet diverse audio needs.

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 @4Ω; 5.0 Channel: 30W*5
  • Max Power Output: 50Wx5 @4Ω

 

SUB/CEN Channel Mode Switch

In FLAT mode, the SUB/CEN channel outputs full-range audio signals, while in SUB mode, it outputs low-frequency signals from 20 to 300Hz.

Ambient Light Strip

Input modes are color-coded for easy use: blue for Bluetooth, orange for AUX, and red for OPT, to enhance the intuitiveness of operation.

Multi-Functional Remote

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

Full-Aluminum Alloy Chassis

Constructed with a full metal casing, CNC machined, finely sandblasted for a simple yet durable and rugged design.

Product details

  • All-in-One Amp: 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: 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: 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: 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: 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.

 

Additional information

Weight 1 kg

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Specifications

  • Chip Set: TI TPA3255
  • Output Power: 300Wx2 @4Ω
  • Terminating Impedance: 2-8Ω
  • Input Mode: RCA
  • Output Mode: Speaker Output + Pre-out
  • Frequency Range: 20Hz-20kHz(±0.1dB)
  • SINAD: 88dB
  • THD: 0.003%
  • SNR: ≥110dB
  • Control Knob: Built-in Logarithmic Taper A pot
  • Device Dimension: 6.5×4.1×1.4 inches
  • DC Input Range: 24-48V
  • Power Supply: 32V/5A, 48V/5A

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Specifications

Max Power Output: 300Wx2 @4Ω

SNR: ≥108dB

Terminating Impedance: 2-8Ω

THD: 0.005%

Power Amplifier Chip: TPA3255

Power Supply: 32V 5A

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Channel: 2.0
Input Mode: RCA*3
Output Mode: RCA, Pre-out
SNR: ≥ 110dB
Dynamic Range: ≥ 110dB
THD+N: ≤ 0.003%
Crosstalk: ≥ 105dB
Noise Floor: ≤ 9μV
Tone Adjustment Gain: ±12dB
Frequency Response: 20Hz-20kHz(±0.1dB)
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Parameter:

Color:Black

Chipset:CS8422+QCC3034+SA9123I+TAS5548+TAS5624+PCM1808+DRV603

Bluetooth chip: QCC3034 Bluetooth 5.0 support: ACC, SBC, aptX, aptX-LL, APTX-HD.

PC-USB/optical/coaxial sampling rate: 24bit/192khz

PC-USB operating system: Windows XP / Vista7/8/10 / Max OS/MAC/Linux/Mobile OTG

Signal to noise ratio: 93db

Tonal gain (treble and bass): ±14

Input sensitivity: 0.775V

Frequency response: 20-20Khz (±1.25db)

Subwoofer output level: 2.1V

Total harmonic distortion: 0.001% (1kHz 1w)

Speaker impedance: 4-8Ω

Output power: 150W*2 (4Ω load) 36V, 6%THD+N

Input mode: RCA/Bluetooth/PC-usb/optical/coaxial

Support equipment: mobile phones, tablets, computers, MP3, TV, etc.

Output mode: passive speaker, active subwoofer speaker

Working power supply: DC24v-36V(DC32V 5A power recommended)

Size: 151*141*37mm

Product net weight: 670g

Weight with packaging and power supply: 1500g

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Specifications

  • Chip Set: Texas Instruments TPA3255
  • Output Power:
    With 48V/5A PSU Stereo; 155Wx2 @4Ω; Mono: 235Wx1 @4Ω
    With 32V/5A PSU Stereo; 95Wx2 @4Ω; Mono: 110Wx1 @4Ω
  • Terminating Impedance: 2-8Ω
  • Input Mode: RCA, XLR, 1/4″ TRS
  • Output Mode: Speaker Output (supports banana plug or bare wire connection), Active Subwoofer Output
  • Frequency Range: 20Hz – 20KHz(±0.1dB)
  • SINAD: 89dB
  • THD: ＜0.006%
  • SNR: ≥106dB
  • Dynamic Range: ≥106dB
  • Device Dimension: 15.49 x 18.39 x 5.08 cm; 1.78 Kilograms
  • DC Input Range: 24-48V
  • Power Supply: 32V/5A, 48V/5A

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Parameters:
Chipset: TPA3255D2+QCC3040+NJW1194+SA9137L+ESS9038Q2M+OPA1656+NE5532
Replaceable op amp chips: RT3609SM, OPA2604, OPA2134, LM4562, JRC5532, OP275GSZ, OPA1612, etc.
PC-USB sampling rate: PCM:384Khz/32bit DSD256
PC-USB operating system: Windows 10/11/Max OS/MAC/Linux
Bluetooth/optical fiber/coaxial sampling rate: 24bit44.1khz/24bit192khz/24bit192khz
Bluetooth chip: QCC3040 Bluetooth 5.1 Support: AAC, SBC, aptX, aptX-LL, APTX-HD
Distortion: 0.006%
TRS/RCA signal-to-noise ratio: ≥ 109dB
High and low pitch: ±10db
Frequency response: 20Hz-20KHz (±0.5dB)
RCA input sensitivity: 2Vrms
TRS input sensitivity: 3.6Vrms
Speaker impedance: 4-8Ω
Maximum output power: 300W*2 (4Ω)
Input mode: RCA+TRS+PC-usb+OPT+COA+BT
Supported devices: decoder, tube preamplifier, computer, CD, mobile phone, MP3, etc.
AUX OUT output sensitivity: 2V
Trigger voltage: 12V
Output mode: 2.0 passive speaker/active subwoofer
Working power supply: 24-48V
Product size: 155*123*41mm
Packaging size: 310*240*70mm
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Packaging weight: 1150g (without power supply)

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