Comparison amplifiers
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Add to comparison |  |  |  |  |  |  |
|---|---|---|---|---|---|---|
| Yamaha A-S301 | Fosi Audio V3 | Fosi Audio BT20A Pro | Yamaha A-S701 | Fosi Audio BT30D Pro | Denon PMA-900HNE | |
| Compare prices 7 | Compare prices 10 | Compare prices 18 | Compare prices 13 | Compare prices 4 | Compare prices 2 | |
| User reviews | ||||||
| TOP sellers | ||||||
| Device type | integrated amplifier | amplifier | amplifier | integrated amplifier | amplifier | integrated amplifier |
| Element base | transistor | transistor | transistor | transistor | transistor | transistor |
| Capacitor capacitance | 7 mF | 12 mF | ||||
Amplifier parameters | ||||||
| Number of channels | 2 | 2 | 2 | 2 | 3 | 2 |
| Frequency range | 10 – 100000 Hz | 20 – 20000 Hz | 20 – 20000 Hz | 10 – 100000 Hz | 20 – 20000 Hz | 10 – 100000 Hz |
| Power per channel (8Ω) | 60 W | 100 W | 50 W | |||
| Power per channel (6Ω) | 70 W | 120 W | ||||
| Power per channel (4Ω) | 300 W | 300 W | 165 W | 85 W | ||
| Signal to noise ratio | 99 dB | 110 dB | 108 dB | 99 dB | 108 dB | 105 dB |
| Signal-to-noise ratio (Main) | 104 dB | |||||
| Signal to noise ratio (Phono MM/MC) | 82 dB | 82 dB | 86 / 71 dB | |||
| Damping factor | 210 | 240 | ||||
| Harmonic distortion | 0.019 % | 0.003 % | 0.005 % | 0.019 % | 0.04 % | 0.01 % |
Channel sensitivity / impedance | ||||||
| Line input | 200 mV 47 kOhm | 200 mV 47 kOhm | 105 mV 40 kOhm | |||
| Phono MM/MC | 3 mV 47 kOhm | 3 mV 47 kOhm | 2.5 / 0.2 mV 47 / 0.1 kOhm | |||
| REC output | 200 mV 1 kOhm | 200 mV 1 kOhm | ||||
Connectors | ||||||
| Inputs | Phono coaxial S/PDIF optical | Phono coaxial S/PDIF optical | Phono coaxial S/PDIF optical | |||
| To amplifier (Main) | RCA | RCA | RCA | RCA | ||
| RCA | 4 pairs | 1 pairs | 1 pairs | 4 pairs | 1 pairs | 3 pairs |
| Outputs | to subwoofer | Pre-Amp | Pre-Amp | to subwoofer | Pre-Amp to subwoofer | to subwoofer |
| For acoustics | 4 шт | 4 шт | 2 шт | 4 шт | 2 шт | 4 шт |
| REC (to recorder) | 2 pairs | 2 pairs | 1 pairs | |||
| On headphones | 6.35 mm (Jack) | 6.35 mm (Jack) | 6.35 mm (Jack) | |||
| Front panel | indicators headphone output | indicators headphone output | display headphone output | |||
Features | ||||||
| Adjustments | bass control treble adjustment balance adjustment level adjustment loudness | level adjustment | bass control treble adjustment level adjustment | bass control treble adjustment balance adjustment level adjustment loudness | bass control treble adjustment level adjustment | bass control balance adjustment level adjustment |
| More features | By-pass/Direct auto power off ММ phono stage additional speaker connect Bi-Wiring | Bluetooth | By-pass/Direct auto power off ММ phono stage additional speaker connect Bi-Wiring | Bluetooth | By-pass/Direct auto power off ММ phono stage MC phono stage additional speaker connect Bi-Wiring Bluetooth | |
General | ||||||
| Remote control |  |  | | | | |
| Chassis material | aluminum | aluminum | aluminum | |||
| PSU | internal | external | external | internal | external | internal |
| Power consumption | 190 W | 270 W | 200 W | |||
| Standby consumption | 0.5 W | 0.5 W | 0.2 W | |||
| Dimensions (WxDxH) | 435x387x151 mm | 105x166x35 mm | 435x387x151 mm | 434x376x131 mm | ||
| Weight | 9 kg | 0.8 kg | 11.2 kg | 8.3 kg | ||
| Color | ||||||
| Added to E-Catalog | january 2015 | january 2025 | september 2024 | january 2015 | january 2026 | september 2022 |
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