1 / 6Yamaha STAGEPAS 400BT Portable PA System with Bluetooth
Yamaha STAGEPAS 400BT is a corded portable PA system with Bluetooth audio streaming, a detachable mixer, and two speakers. The listed 400-watt output and built-in feedback suppression suit presentations, events, and smaller performance setups, while the 51-pound listed weight is a practical consideration for transport.
At a glance
- Bluetooth streaming is described for smartphone and tablet playback.
- The manufacturer describes two speakers, a detachable mixer, a pair of speaker cables, and a power cord.
- One-knob feedback suppression and SPX digital reverb are listed features.
- A master EQ control is described for speech, music, and added bass emphasis.
Reference price: $899.99
Price checked: Nov 12, 2026
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Pros and cons
Pros
- Bluetooth playback can handle backing tracks or event audio without a wired connection to a phone or tablet.
- The detachable mixer and two-speaker configuration are intended to make the PA easier to transport and arrange.
- One-button feedback suppression and simple reverb and EQ controls offer useful adjustments without extensive setup.
Cons
- The listed 51-pound weight means the system is not especially light to carry as a complete setup.
- Corded electric power requires access to an outlet, limiting placement where mains power is unavailable.
Technical specifications
14 specifications| Brand | YAMAHA |
|---|---|
| Model | STAGEPAS 400BT |
| Listed output wattage | 400 watts |
|---|---|
| Wireless connection listed | Bluetooth |
| Compatible devices | Smartphone, Tablet |
| Audio input | Switchable stereo/mono, Hi-Z |
| Connector type | RCA |
| Number of channels | 2 |
| Power configuration | Corded Electric |
|---|---|
| Mounting types listed | Tabletop |
| Dimensions listed | 21.97 x 26.77 x 14.84 inches |
|---|---|
| Weight listed | 51 pounds |
| Color | black |
| Enclosure material | Metal |
Who is it for?
A good fit for
- Presenters and event hosts who want Bluetooth playback alongside a portable PA setup.
- Performers seeking a two-speaker system with a detachable mixer, reverb, EQ, and feedback suppression.
- Users who can transport a 51-pound system and have access to corded power.
Less suited to
- Buyers who need a battery-powered PA for locations without electrical outlets.
- Anyone prioritizing a very lightweight system for frequent carrying.

Customer reviews on Amazon
- 5 stars
77% 77% - 4 stars
10% 10% - 3 stars
3% 3% - 2 stars
5% 5% - 1 star
5% 5%
Customer feedback highlights perceived sound quality, including a mention of DJ use, and some buyers describe the system as worth the extra cost. The aggregate ratings lean positive, though lower-star ratings are also present. These impressions may matter for event and performance buyers, but they do not establish how the system will sound in a particular room or setup.
Positive themes
- Customers praise the sound quality.
- One customer mentions DJ use.
- Customers describe it as worth the extra money.
Frequently asked questions
Can the STAGEPAS 400BT play audio from a phone wirelessly?
The listing describes Bluetooth streaming from smartphones and tablets for backing tracks and event playback.
Does this PA run on batteries?
No battery operation is listed. The stated power configuration is corded electric.
What controls and effects are described?
The listing describes one-knob feedback suppression, SPX digital reverb, and a master EQ control.
How heavy and large is the system according to the listing?
The listed weight is 51 pounds and the listed dimensions are 21.97 x 26.77 x 14.84 inches.

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