SylphAudio FB360 High Performance Mono Class-D Amplifier RTR Kit

$166.00 USD

TPA3255 in a mono PBTL PFFB configuration.
250W into 4Ω at 1% THD+N.

Fully differential configuration.

Split supply on the preamp section removes the need for redundant input coupling caps on the signal path.

Upgraded PFFB network, 5W-4Ω SINAD is 5dB better than previous generation.


Package Includes
1pc SylphAudio FB360 mono
Required connectors

Supply Voltage: 26V DC min to 52V DC max
Unclipped Power (<1% THD+N, 52V): 115W-8Ω, 210W-4Ω, 380W-2Ω
Input sensitivity: 4.4V RMS
Voltage gain: 16.1dB (6.4V/V)
Input configuration: Fully Differential
Load impedance: 2Ω, 4Ω, or 8Ω
Footprint: 110mm x 100mm x 45mm (L * W * H)
Overcurrent /short protection: Yes
Over voltage protection: No
Overheat protection: Yes
Turn on-off pop suppression: Yes

Recommended Power Supply
- Single supply 51V SMPS, 300W or higher per module.
- DO NOT use power supply with split rails.
- LOF550-20B48-C or SE-450-48 adjusted to 51V
- Use 43V for unregulated "linear" supplies
- Use 51V for 2Ω loads, up to 52V for 4Ω loads

Shipments are consolidated once a week. Kindly wait for the tracking info to become available. Default shipping is postal with normal shipping ETA of 5 to 8 weeks.

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Prices are subject to change without prior notice.