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Description
Yamaha A-S301 Integrated Amplifier (Black)70W x 2 (6 Ohm RMS) Power Output Optical and Coaxial Inputs Speaker A, B or A+B Selection Subwoofer Out Continuously Variable Loudness Control Pure Direct Mode Power Management (Auto Power Off) Reinforced Chassis Symmetrical Layout Brushed Aluminum Front Panel Expand your listening horizons with the black A S301 Integrated Amplifier from Yamaha . Featuring up to 70W per channel of RMS power at 6 ohms, this amp is equipped with digital inputs for
- 70W x 2 (6 Ohm RMS) Power Output
- Optical and Coaxial Inputs
- Speaker A, B or A+B Selection
- Subwoofer Out
- Continuously Variable Loudness Control
- Pure Direct Mode
- Power Management (Auto Power Off)
- Reinforced Chassis
- Symmetrical Layout
- Brushed Aluminum Front Panel
Expand your listening horizons with the black A-S301 Integrated Amplifier from Yamaha . Featuring up to 70W per channel of RMS power at 6 ohms, this amp is equipped with digital inputs for connecting devices like televisions and Blu-ray/DVD players. It offers dual stereo outputs, giving you the ability to power two sets of speakers in different rooms and switch between them, or have them both playing at the same time. To increase the bass output of your sound system, there's also a terminal for connecting a subwoofer.
To reduce distortion and degradation and produce the cleanest possible sound, the A-S301 employs Pure Direct Mode. Activated via a button on the front of the unit, this mode causes input signals to bypass unused circuits and cuts off those circuits' power supply. To further ensure quality sound, the amplifier's continuously variable loudness control allows you to balance low and high frequency sounds so you can hear a full tonal range at any volume.
This Yamaha amplifier was built with energy efficiency in mind, and uses a power management system to switch itself to idle mode when not in use. The A-S301's internal circuitry mirrors itself symmetrically to produce higher signal purity and lower degradation. The chassis is reinforced with a solid center bar to reduce vibration and features a brushed aluminum front panel and knobs. The system comes with a remote control for easy operation.
- Pure Direct Mode
- The Pure Direct mode causes the music signals to travel the shortest possible circuit route, bypassing the buffer amp and the tone, loudness and balance controls to virtually eliminate any signal degradation for the purest sound quality.
- Continuously Variable Loudness Control
- The A-S301 features an analog loudness control on the front panel, which lets you adjust the loudness effect as desired. Separate from the overall volume, this controls the balance of the low- and high-frequency sounds, providing full tonal range at any volume level, compensating for the natural loss in the human ear of high and low frequencies at soft levels.
- Direct Symmetrical Design
- This amplifier's left and right channels are organized in a straight, symmetrical layout for limiting distortion and increasing signal purity.
- Anti-Resonance Chassis
- The base of the A-S301's chassis is reinforced with a solid center bar to increase rigidity support and vibration damping, which limits resonance.
- Dual System Capable
- You can connect two separate speaker systems in different rooms and switch between them or have them both play at the same time by switching the dial on the front of the unit.
- Phono MM Terminal
- You can connect a turntable with an MM phono cartridge to play vinyl records, allowing you to enjoy records in addition to modern media sources.
- Auto Power Standby Function
- This amplifier puts itself into standby mode when it detects that it hasn't been used in approximately 8 hours, minimizing power consumption.
- Remote Control
- Control your music from afar with the included remote, finished to match the design of the amplifier. The remote comes with batteries and can also be used to control a Yamaha CD player.
- Connection for Bluetooth Wireless Adapter
- With the optional YBA-11 Bluetooth Wireless Adapter, you'll be able to stream music wirelessly from a Bluetooth-capable mobile phone or a PC to the network receiver. This amplifier features a DC-out connection on the rear panel to power the adapter.
- Rotary Encoder Input Selector
- The rotary encoder makes it quick and easy to select input sources, and the LEDs clearly show which source is selected so you can easily switch between them, even in a dark room.
UPC: 027108948690
| System | |
|---|---|
| RMS Output Power | 6 Ohms, 20 Hz to 20 kHz, 0.038% THD: 70 W + 70 W 8 Ohms, 20 Hz to 20 kHz, 0.019% THD: 60 W + 60 W |
| Dynamic Power per Channel | 8 Ohms: 100 W 6 Ohms: 120 W 4 Ohms: 140 W 2 Ohms: 150 W |
| Power Bandwidth | 0.04% THD, 30 W, 8 Ohms: 10 Hz to 50 KHz |
| Damping Factor | 1 kHz, 8 Ohms: ?210 |
| Input Sensitivity/Impedance | Phono (MM): 3.0 mV / 47 kOhms CD, etc.: 200 mV / 47 kOhms |
| Maximum Input Voltage | Phono (MM) (1 kHz, 0.03% THD): ?45 mV CD, etc. (1 kHz, 0.5% THD): ?2.2 V |
| Output Level and Impedance | Rec Out: ?200 mV / 1.0 kOhms Subwoofer Out (Cut-Off Frequency: 100 Hz): 2.5 V / 1.2 kOhms |
| Headphone Output Impedance | CD, etc. (Input 1 kHz, 200 mV, 8 Ohms): 360 mV / 470 ohms |
| Frequency Response | With Pure Direct: 20 Hz to 20 kHz, 0±0.5 dB Without Pure Direct: 10 Hz to 100 kHz, 0±1.0 dB |
| RIAA Equalization Deviation | ±0.5 dB |
| Total Harmonic Distortion (THD) | Phono (MM) to Rec Out (20 Hz to 20 kHz, 2.5 V) ?0.03% CD, etc. to Speakers (20 Hz to 20 kHz, 30 W, 8 Ohms): ?0.019% |
| Signal-to-Noise Ratio | Phono (MM) (5 mV Input Shorted): ?82 dB CD, etc. with Pure Direct On (200 mV Input Shorted): ?99 dB |
| Residual Noise | 40 ?V (IHF-A Network) |
| Channel Separation | CD, etc. (5.1 kOhms Input Shorted, 1 kHz): 65 dB or more CD, etc. (5.1 kOhms Input Shorted, 10 kHz): 50 dB or more |
| Tone Control | Bass Boost/Cut (20 Hz): ± 10 dB Turnover Frequency: 400 Hz Treble Boost/Cut (20 kHz): ± 10 dB Turnover Frequency: 3.5 kHz |
| Loudness Control | Attenuation (1 kHz, Continuous): -30 dB |
| Digital Audio Format | PCM (2-channel), 192/176.4/96/88.2/48/44.1/32 kHz |
| PCM Word Depth | 24 bit / 16 bit |
| Connectors | |
|---|---|
| Input | 5 x RCA 1 x Phono for Turntable 1 x Optical 1 x Coaxial |
| Output | 2 x RCA 4 x Speaker Terminal 1 x Subwoofer 1 x Headphone 1 x DC (Accessory Power) |
| General | |
|---|---|
| Cabinet (Chassis) | Design: Reinforced with solid center bar Finish: Brushed aluminum |
| Power Supply | 120 VAC, 60 Hz |
| Power Consumption | In Use: 190 W Maximum: 430 W Standby: 0.5 W |
| Dimensions (W x H x D) | 17.1 x 5.9 x 15.2" (43.5 x 15.1 x 38.7 cm) |
| Weight | 19.8 lb (8.98 kg) |
| Packaging Info | |
|---|---|
| Package Weight | 24.0 lb |
| Box Dimensions (LxWxH) | 21.0 x 17.0 x 8.5" |
In the Box
Yamaha A-S301 Integrated Amplifier (Black)
- Remote Control
- 2 x AA Batteries
- Limited 2-Year Warranty
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
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Product Reviews
★★★★★ 4
Amazing but quality changed
Size: Large, Color: (002) Black / Black / Halo Gray
Love these socks so much, been buying them for about 4 years now!! Not giving them 5 stars anymore because the quality is different and not as good, durable and thick as before.
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Reviewed in the United States on July 10, 2025
★★★★★ 5
The best no show socks
The only no show socks I have ever found that do not slide down. These are very comfortable and the extra tab on the back provides comfort by keeping shoes from rubbing the back of your foot. The top of the sock also comes up high enough to cushion the top of your foot all while still remaining hidden while wearing tennis shoes or even with my hey dudes.
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Reviewed in the United States on November 30, 2025
★★★★★ 5
Great quality and fast shipping
Size: Medium, Color: (001) Black / Black / Castlerock
These socks are tight but after the first wash and dry , they fit perfect and NEVER slide off , ordered a second pack
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Comfortable, Durable, and Stylish
Perfect gift choice! Excellent quality socks with a variety of colors to match any wardrobe.
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Reviewed in the United States on November 30, 2025
★★★★★ 5
Absolutely Essential for Any Athlete or Gym-Goer!
Size: Large, Color: (035) Steel / White / Black
I recently purchased the Under Armour Unisex-Adult Training Cotton No Show Socks 6 Pack, and I must say, they've become an indispensable part of my workout gear. Here's why these socks are a game-changer:
Comfort Above All: These socks are incredibly comfortable. Made from a blend of cotton and synthetic fibers, they provide just the right amount of cushioning without feeling bulky. Whether I'm running, lifting weights, or doing yoga, my feet feel supported yet free.
No Show, All Go: True to their name, these socks stay perfectly in place without slipping down into my shoes. This is crucial for maintaining a professional look at the gym or during sports activities. No more embarrassing sock peeks or having to constantly adjust them.
Durability: For the price, these socks hold up remarkably well. I've washed them multiple times, and they haven't lost their shape or elasticity. They've survived the rigors of both my workouts and laundry day.
Breathability: The material mix allows for excellent breathability. My feet stay dry and cool, reducing the chances of blisters or discomfort during long sessions.
Pack Value: Getting six pairs in one go is fantastic. It means I always have a fresh pair ready, which is perfect for someone like me who works out frequently.
Fit for All: These socks fit true to size and are designed to be unisex, making them a versatile choice for anyone looking to upgrade their sock game.
If you're in the market for socks that combine comfort, performance, and style, look no further. Under Armour has nailed it with these no-show socks. They've quickly become a staple in my wardrobe, and I find myself reaching for them over any other sock I own. Highly recommended for anyone serious about their fitness routine or just wanting reliable, high-quality socks.
5 out of 5 stars - These socks are a must-have!
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Reviewed in the United States on August 25, 2024