Apos Audio
Sponsor: Apos Audio
Hi all,
We're excited to share a new product from SMSL: the PA200 Gallium Nitride Power Amplifier. Gallium nitride transistors are a newer semiconductor technology that can switch signals at higher speeds and with fewer losses than traditional silicon components. By reaching switching frequencies up to 1MHz, the PA200 supports tighter control over the audio waveform, helping notes hold their natural shape instead of becoming smeared or dulled.
Product highlights

We're excited to share a new product from SMSL: the PA200 Gallium Nitride Power Amplifier. Gallium nitride transistors are a newer semiconductor technology that can switch signals at higher speeds and with fewer losses than traditional silicon components. By reaching switching frequencies up to 1MHz, the PA200 supports tighter control over the audio waveform, helping notes hold their natural shape instead of becoming smeared or dulled.
Product highlights
- Advanced gallium nitride transistor design for refined, stable sound
- Switchable stereo and mono modes for flexible speaker configurations
- Audiophile-grade components and safety circuits
- Low distortion (0.003%) and high SNR (110dB max)
- Gold-plated RCA and XLR inputs
- Wide frequency response and dynamic range
- Comfortable power output that supports challenging speakers
- Dimensions: 8.66in x 1.81in x 6.89in (220mm x 45.9mm x 175mm)
- Weight: 3.17lbs (1.44kg)
- Inputs: RCA, XLR
- Outputs: Speaker right, speaker left
- Input sensitivity (stereo): 0.68Vrms/22kΩ
- Input sensitivity (mono): 2.1Vrms/22kΩ
- Output power (stereo): 4Ω, 160Wrms x2 | 8Ω, 85Wrms x2
- Output power (mono): 4Ω, 400Wrms x1 | 8Ω, 250Wrms x1
- THD+N: 0.003%
- SNR: 109dB
- Channel separation: 75dB
- Standby power: <0.5W
- Power consumption at normal volume: 40W

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