Fosi Audio TB10A

Name: Fosi Audio TB10A
Brand: Fosi Audio
SKU: TB10A
Price: 283.74 PLN
Availability: InStock

Reference TB10A

283.74zł

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Fosi Audio TB10A is a compact two-channel Class D amplifier for passive speakers and sim-racing tactile systems. It supports 2-8-ohm loads, output of up to 2 x 100 W into 4 ohms and includes a 24 V / 4.5 A power supply. It can drive the Xcite XBS25-4, XBS50-4 and XBS100-4 bass shakers as well as the Dayton Audio BST-2. It can also handle the more powerful BST-1 when the output level is set responsibly.

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Bass Shakers

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Fosi Audio TB10A - two power channels in a compact enclosure

Fosi Audio TB10A uses the Texas Instruments TPA3116D2 chip and operates in Class D. This combines a compact enclosure with high efficiency, making the amplifier easy to place next to a cockpit, under a desk or beside a multimedia system.

The manufacturer rates the amplifier for a maximum output of up to 2 x 100 W into 4 ohms. A 24 V / 4.5 A power supply is included. Actual continuous power depends on the load on both channels, signal level, temperature and power-supply capacity, so 2 x 100 W should be treated as a maximum rating.

Straightforward operation without unnecessary functions

The TB10A receives an analogue stereo signal through RCA and feeds it to two independent speaker outputs. This makes it possible to power two bass shakers, for example one beneath the pedal deck and one near the seat, and assign separate SimHub effect channels to them.

The front panel provides volume, bass and treble controls. They allow quick tonal adjustment, but they do not replace a low-pass filter. The TB10A has no Bluetooth, USB or built-in sound card. Connect it to a computer through a line output or a separate audio interface and an RCA cable.

Drives the XBS25-4, XBS50-4, XBS100-4, BST-2 and BST-1

The supported 2-8-ohm load range makes the TB10A suitable for popular 4-ohm tactile transducers. It can drive the compact Xcite XBS25-4, the more powerful XBS50-4 and the large XBS100-4. With the XBS100-4, the system will provide useful tactile output, but the TB10A will not exploit the transducer's complete long-term power capability.

The TB10A is also a strong match for the 35 W RMS Dayton Audio BST-2. It can even handle the 4-ohm, 50 W RMS Dayton Audio BST-1, but the output should be increased gradually to avoid clipping or overloading the transducer. The safest arrangement uses one bass shaker on each amplifier channel.

From telemetry to physical cockpit vibration

In a sim-racing system, the computer generates effects in SimHub, the sound card sends a line-level signal to the RCA input and the TB10A amplifies it for the bass shaker through speaker cable. Mount each transducer securely to a rigid cockpit component so that energy is not lost through loose or flexible joints.

The TB10A covers 20 Hz - 20 kHz and does not include a dedicated subwoofer filter. Limit the effect range in SimHub, a DSP or the source software. A low-pass filter around 80-100 Hz, low initial output and gradual level adjustment provide a sensible starting point. Do not bridge the channels or connect their negative terminals together unless the manufacturer explicitly approves that operating mode.

Fosi Audio TB10A - two power channels in a compact enclosure

Straightforward operation without unnecessary functions

Fosi Audio TB10A - widok od przodu na regulacje

Drives the XBS25-4, XBS50-4, XBS100-4, BST-2 and BST-1

Fosi Audio TB10A - wizualizacja elektroniki w środku wzmacniacza

From telemetry to physical cockpit vibration

TB10A Manual

Download (626.95KB)

Technical specification - Fosi Audio TB10A
Device type	Two-channel Class D stereo amplifier
Amplifier chip	Texas Instruments TPA3116D2
Channels	2.0
Manufacturer-rated maximum output	Up to 2 x 100 W into 4 ohms
Supported load	2-8 ohms
Frequency response	20 Hz - 20 kHz, ±1 dB
SNR	≥ 98 dB
THD	≤ 0.5% according to the specification table and manual
Input sensitivity	≤ 280 mV
Audio input	Analogue stereo RCA
Outputs	Two speaker channels, binding posts for speaker wire and 4 mm banana plugs
Controls	Volume, bass, treble and power
DC input range	15-24 V DC
Included power supply	24 V / 4.5 A
Dimensions	130 x 100 x 35 mm
Weight	650 g

Bass shaker	Impedance and power	Operation with the Fosi Audio TB10A
Xcite XBS25-4	4 ohms, 25 W RMS noise test, 125 W long-term maximum	Yes. A strong match for compact and multi-point tactile systems.
Xcite XBS50-4	4 ohms, 50 W RMS noise test, 250 W long-term maximum	Yes. It will provide strong feedback but will not use the transducer's full maximum headroom.
Xcite XBS100-4	4 ohms, 100 W RMS noise test, 500 W long-term maximum	Yes, at moderate output. It will drive the transducer but will not exploit its full capability.
Dayton Audio BST-2	4 ohms, 35 W RMS	Yes. The amplifier has ample headroom, so begin with a low volume setting.
Dayton Audio BST-1	4 ohms, 50 W RMS	Yes. The TB10A can handle the BST-1, but the transducer's rated power must not be exceeded.

1 x Fosi Audio TB10A amplifier
1 x 24 V / 4.5 A power supply
1 x AC power cable
1 x user manual

Bass shakers, RCA cables, speaker cables, sound card and mounting brackets are not included.

Fosi Audio TB10A - questions and answers

1. Is the Fosi Audio TB10A suitable for bass shakers?

Yes. It supports 2-8-ohm loads and can drive popular 4-ohm tactile transducers. The simplest setup uses one shaker on each channel.

2. Can the TB10A drive the Xcite XBS25-4?

Yes. The XBS25-4 has a nominal 4-ohm impedance and is a suitable load for the TB10A. Increase the output gradually.

3. Does it work with the XBS50-4 and XBS100-4?

Yes. Both models have a nominal 4-ohm impedance. The TB10A is a strong match for the XBS50-4 and will run the XBS100-4 at useful intensity, although it will not exploit the XBS100-4's full power capability.

4. Can the TB10A handle a Dayton Audio BST-1?

Yes. The BST-1 is rated at 4 ohms and 50 W RMS. Set the output so that the transducer's capability is not exceeded.

5. Is the TB10A suitable for the Dayton Audio BST-2?

Yes. The BST-2 is rated at 4 ohms and 35 W RMS. The amplifier has ample headroom, so begin configuration at low volume.

6. How many bass shakers can be connected?

The safest setup uses two transducers, one on each channel. More complex wiring requires calculation of the final impedance and consideration of power-supply capacity and cooling.

7. Does the TB10A connect to a computer through USB?

No. It uses an analogue RCA input. The computer must provide a line output through an internal or external sound card.

8. Does the TB10A include a low-pass filter?

No. Bass and treble controls are not a dedicated crossover. Configure filtering in SimHub, a DSP or the source software.

9. Is the stated 2 x 100 W a continuous output rating?

It is the maximum rating stated by the manufacturer. The included 24 V / 4.5 A power supply has limited total power, so actual continuous output from both channels depends on operating conditions.

10. Can the TB10A be used with SimHub?

Yes. SimHub sends effect audio through the selected sound card, while the TB10A amplifies that signal for the bass shakers. The amplifier does not read telemetry by itself.

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