BT30D vs SMSL SA100
The SA100's signal-to-noise is 90 dB against the BT30D's 98 dB. Both share power @ 8ω (50W), thd (0.050%), and class (D).
AI-generated product photo — not official manufacturer imagery.
BT30D
Fosi AudioAmplifiersIntegrated Amplifiers
Estimated price (community-sourced)
$70 - $72
Around — community and catalog average, updates slowly
About the BT30D
The BT30D is a compact 2.1-channel Class D amplifier with Bluetooth 5.0 and stereo RCA inputs. It uses two Texas Instruments TPA3116D2 amplifier chips and provides outputs for a pair of passive speakers and a passive or powered subwoofer. Controls include master volume, bass, treble, subwoofer volume, and subwoofer cutoff frequency. The manufacturer lists maximum output of 50 W per stereo channel plus 100 W for the subwoofer channel; actual output depends on the power supply and speaker load.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 50W @ 8Ω
- Amplifier Class
- D
- Minimum Impedance
- 2Ω
Analog Output
Analog signal output specifications
- THD
- 0.050%
- SNR
- 98 dB
Connectivity
Input and output connections
- Bluetooth
- Yes
- Digital Inputs
- Bluetooth 5.0, stereo RCA
- Analog Outputs
- passive stereo speakers, passive/active subwoofer
Key Specifications
Power: 50W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions