The Yamaha A-S301BL is a 2-channel integrated amplifier delivering up to 70 watts per channel at 6 ohms with low distortion. It features multiple analog and digital inputs, including phono, optical, and coaxial, plus subwoofer output and headphone jack.
The Yamaha A-S301BL stereo integrated amplifier combines a preamplifier and power amplifier in a single unit designed for high-fidelity audio performance. It provides 70 watts per channel at 6 ohms with minimal total harmonic distortion, ensuring clear and powerful sound reproduction. The amplifier supports a wide frequency response from 20 Hz to 20 kHz with tight control over bass and treble adjustments. Connectivity options include five stereo RCA inputs, a dedicated phono input with ground screw for turntables, optical and coaxial digital inputs, and subwoofer pre-out. Speaker connections are made via four pairs of binding posts, supporting various speaker configurations. Additional features include a 1/4-inch headphone output on the front panel and a USB-A power output on the rear. The unit operates on 120 VAC power and measures 17.1 x 5.9 x 15.2 inches, weighing approximately 19.8 pounds.
2.0 channel integrated amplifier with 70 W per channel at 6 Ohms
Low total harmonic distortion: 0.038% at 6 Ohms, 0.019% at 8 Ohms
Five stereo RCA inputs plus phono input with ground screw
Digital inputs include 1 optical TOSLINK and 1 coaxial
Subwoofer pre-out and four pairs of binding post speaker outputs
Front panel 1/4" headphone jack and rear USB-A power output
Frequency response: 20 Hz to 20 kHz ±0.5 dB in Pure Direct mode
Tone controls for bass and treble with ±10 dB adjustment
Specifications
Bluetooth
No
Box Dimensions (LxWxH)
21 x 17 x 8.5"
Dimensions (W x H x D)
17.1 x 5.9 x 15.2" / 43.5 x 15.1 x 38.7 cm
Input Impedance
Phono (MM): 47 Kilohms Line: 47 Kilohms
Input Sensitivity
Phono (MM): 3 mV Line: 200 mV
Package Weight
24 lb
Power Consumption
Active: 190 W Maximum: 430 W Standby: 0.5 W
Signal to Noise Ratio
Phono (MM): ≥ 82 dB (Input Shorted) Line: ≥ 99 dB (Direct Mode / Input Shorted)
Supported File Formats
PCM
Tone Control
Bass (20 Hz): ±10.0 dB Treble (20 kHz): ±10.0 dB
Total Harmonic Distortion (THD)
Phono (MM) to Line Out: ≤ 0.03% (2.5 V Input / 20 Hz to 20 kHz) Line to Speaker Out: ≤ 0.019% (20 Hz to 20 kHz / 45 W Output / 8 Ohms)