The WXA-70A is a streaming integrated amplifier by Yamaha that delivers 55 watts x 2 channels into 8 ohms and 105 watts x 2 into 4 ohms (20 Hz-20 kHz, 0.06% THD, 2 channels driven); 165 watts into 4 ohms (1 kHz, 10% THD, 1 channel driven). It was released in 2026. It is a 2-channel design. A minimum impedance of 4 ohms makes it compatible with a wide range of loudspeakers. It has a built-in DAC (ESS SABRE ES9039Q2M), so you can play digital sources directly with no separate DAC unit needed. The Yamaha WXA-70A has an MSRP of $1,300.
Yamaha replaced the older Yamaha WXA-50 with this model. Follow the link to read our detailed comparison of these models:
Compare Yamaha WXA-70A vs Yamaha WXA-50
There are 9 Yamaha amplifiers in our database. Below you can see the main specs of these amps.
Yamaha Integrated Amplifier Series
Performance Specs
One of the most important factors when deciding on an integrated amplifier is its power ratings and compatibility with your speaker's impedance requirements. The Yamaha WXA-70A is rated at 55 watts RMS into 8-ohms. Yamaha provides this wattage at a THD (Total Harmonic Distortion) of 0.06% which is an important indicator of distortion at the given values (lower THD is better).
Here are the main highlights of its performance specs:
- 55 watts into 8-ohms (20 Hz-20 kHz) at 0.06%
- 105 watts into 4-ohms
- 4-ohms Min Impedance (allows compatibility with a wide range of loudspeakers)
How loud will 55 watts actually play in your room? →
Wiring more than one pair of speakers to it? Check the load first →
Which speakers suit the Yamaha WXA-70A?
55 W into 8 ohms, 105 W into 4, rated down to 4 ohms.
We rank every passive speaker we cover against it on power, impedance safety and current
delivery.
Need more power?
Yamaha WXA-70A is rated at 55 watts into 8 ohms, which puts it in our Up to 60 watts band. The next band up is 61 to 90 watts, which is worth about 3.9dB more output. That is a real difference in headroom on peaks, and a modest one in how loud the system plays - power and loudness are not the same thing.
Before buying watts, check what your speakers actually need: the amp and speaker matcher works it out from their sensitivity, impedance and your room.
When pairing the Yamaha WXA-70A with a passive Bookshelf (Stand mount) or Passive Floor Standing (Tower) speaker, you have to check if their Max Power Range is below the max wattage of the amp for the given impedance levels.
Operating your amp outside of this max range may damage the speakers.
What size of room is the Yamaha WXA-70A Amplifier good for?
An essential deciding factor is the size of the room in which you intend to employ the Yamaha WXA-70A amplifier. Here, taking into account its maximum power parameters, we analyzed its applicability to various size environments:
| Listening Environment |
Suitability |
| Near-field | Average |
| Small Room | Good |
| Mid-size Room | Average |
| Large Room | Poor |
| Very Large Room | Bad |
Inputs and Outputs
Besides the performance specs of the Yamaha WXA-70A, the next important feature set that you have to evaluate is the input and output selections that it offers.
Yamaha WXA-70A has total of 1 Analog inputs .
Inputs
- Total Number of Analog Inputs: 1
- 1 Optical Digital Input
- USB Input:
- USB Type-A (music playback and firmware update)
- HDMI Input (eARC/ARC)
Outputs
- Speaker Outputs
- Mono RCA (Sub) Preamp Outputs
- Subwoofer Output (1)
Bluetooth Connectivity
Yamaha WXA-70A features built-in Bluetooth for wireless music streaming from your Bluetooth-enabled devices such as Apple iPod/iPhone/iPad, Android smartphone/tablet, Windows PC, Mac computers/laptops.
Yamaha WXA-70A supports the following Bluetooth Codecs when used with supported devices:
Phono Input
Yamaha WXA-70A doesn't have a phono input so in order to play your vinyl albums, Yamaha WXA-70A has to be paired with a Phono Preamp that is MM (Moving Magnet) or/and MC (Moving COil) depending on your cartridge type.
Subwoofer Output
Yamaha WXA-70A has a dedicated subwoofer output which can be used to connect it directly to a powered subwoofer via an LFE(Low Frequency Effects) cable.
Check our
Powered Subwoofers page to find a subwoofer that will work with Yamaha WXA-70A amp and your speakers.
DAC and Digital Music
The Yamaha WXA-70A's built-in DAC allows the connection of digital sources directly, eliminating the need for an external DAC. The DAC chip that is used in the WXA-70A is the
ESS SABRE ES9039Q2M.
Yamaha WXA-70A Pros and Cons
Drawn from the published figures on this page, not from listening.
- ✓Power nearly doubles into a harder load, 55 watts into 8 ohms rising to 105 into 4, which points to a power supply with real current in reserve.
- ✓Built-in DAC handling DSD, so a TV, computer or streamer can connect digitally with nothing in between.
- ✓Digital inputs cover 1 optical and USB.
- ✓Streams over the network without a separate streamer: Spotify Connect, Tidal and Qobuz; AirPlay 2, Chromecast built-in, Roon and MusicCast.
- ✓Bluetooth (SBC, AAC) for playing straight from a phone.
- ✓Pre-outs (Mono RCA (Sub)) leave room to add a power amplifier or an active subwoofer later.
- ✓At 220mm wide it fits where a full-size component will not.
- ✓App control.
- ✗Only 1 analogue input, so a second source means unplugging the first.
Yamaha WXA-70A External Dimensions and Weight
Yamaha WXA-70A has external dimensions of (H x W x D) 2.874inch x 8.6614inch x 10.5118inch (73mm x 220mm x 267mm ). The unit weighs
2.6 kg (5.7 lbs).
Base Surface Area
Base surface area of an integrated amplifier may become an important decision factor when the space in your room or desk is limited.
The base area of the Yamaha WXA-70A is approximately 587.4cm2 / 91.0inch2.
- Width: 220.0mm (8.6614")
- Height: 73.0mm (2.874")
- Depth: 267.0mm (10.5118")
- Weight: 2.6 kg (5.7 lbs)
- Base Surface Area: ~587.4cm2 / 91.0inch2
- Volume: ~4.3 liter / 1.1 gallon
Available colors
Yamaha WXA-70A is available in Black color options.
What's in the Box of Yamaha WXA-70A?
Here are the items that are included inside the box of WXA-70A:
- Remote control
- Batteries (AAA, LR03, UM-4)
- Power cable (2 m)
- YPAO microphone (6 m)
- Quick guide
- Safety guide
Official Product Page
Official manufacturer's product page for the Yamaha WXA-70A Integrated Amplifier can be found below:
Official Product Page for Yamaha WXA-70A
Warranty
2 Years of parts warranty and 2 Years of labor warranty is generally provided for the Yamaha WXA-70A by the manufacturer.
| General |
| Brand |
Yamaha |
| Full Model Name |
Yamaha WXA-70A |
| Release Date |
2026 |
| Amplifier Type |
Integrated Amplifier |
| Number of Channels |
2 |
| Amplifier Technology |
Solid State |
| Performance |
| Watts RMS per Channel into 8-ohms |
55 watts |
| Watts RMS per Channel into 6-ohms |
N/A |
| Watts RMS per Channel into 4-ohms |
105 watts |
| Frequency Bandwidth |
20 Hz-20 kHz |
| THD |
0.06% |
| Minimum Impedance |
4 |
| Signal to Noise Ratio |
N/A |
| Digital Music |
| Built-in DAC |
Yes |
| DAC Specs |
ESS SABRE ES9039Q2M |
| Bluetooth |
Yes |
| WiFi |
Yes |
| Ecosystem |
| Apple AirPlay |
|
| Apple AirPlay2 |
Yes |
| DTS Play-Fi |
|
| Chromecast built-in |
Yes |
| Roon |
Ready |
| HEOS |
|
| BluOS |
|
| CONNECTIONS |
| Total Analog Inputs |
1 |
| Phono Input |
No |
| Optical Digital Inputs |
1 |
| Coaxial Digital Inputs |
No |
| USB Input |
Yes |
| USB Type |
USB Type-A (music playback and firmware update) |
| Preamp Outputs |
Mono RCA (Sub) |
| Headphone Output |
No |
| Subwoofer Output |
Yes |
| Removable Power Cord |
|
| PHYSICAL SPECS |
| Height |
73.0mm (2.874") |
| Width |
220.0mm (8.6614") |
| Depth |
267.0mm (10.5118") |
| Weight |
2.6 kg (5.7 lbs) |
| Available Colors |
Black |
| OTHER |
| Parts Warranty |
2 Years |
| Labor Warranty |
2 Years |