Description
Yamaha STAGEPAS 400BT is a portable PA system that combines a powered 8-channel mixer with two 8-inch passive speakers. With 400 W of dynamic amplifier power, Bluetooth audio streaming, SPX digital reverb, feedback suppression, and flexible input options, it is designed for live performances, public speaking, presentations, small events, and mobile sound applications.
Key Features
- Portable PA system with powered mixer and two passive speakers
- 8-channel powered mixer
- 400 W dynamic amplifier power
- 360 W continuous amplifier power
- Two-way bass-reflex speaker system
- 8-inch LF cone speakers
- 1-inch voice coil compression drivers
- 55 Hz–20 kHz frequency range
- 125 dB SPL maximum output per speaker
- 90° × 60° nominal speaker coverage
- Bluetooth 4.1 audio streaming
- A2DP v1.2 Bluetooth profile
- 4 mono mic/line inputs
- 4 mono / 2 stereo line inputs
- Hi-Z input on channel 4
- +30 V phantom power on channels 1 and 2
- SPX digital reverb with 4 programs and parameter control
- Onboard feedback suppressor
- 1-Knob Master EQ™
- Monitor and subwoofer outputs
- 35 mm StageLok™ pole sockets
- 50° floor monitor angle
Portable All-in-One PA Solution
The STAGEPAS 400BT combines the amplifier, mixer, and speakers required for a portable sound system into one package. The detachable powered mixer provides eight channels for microphones, instruments, and playback sources.
400 W Dynamic Power
The system provides 400 W of dynamic amplifier power, with 200 W available to each speaker. Continuous output power is rated at 360 W, with 180 W per channel.
8-Inch Two-Way Speakers
The two passive speakers use 8-inch low-frequency cone drivers and 1-inch voice coil compression drivers. The two-way bass-reflex design provides a frequency range of 55 Hz–20 kHz.
Bluetooth Audio Streaming
The powered mixer supports Bluetooth 4.1 with the A2DP v1.2 profile, allowing compatible mobile devices to stream audio wirelessly to the system.
Flexible Mixing
The 8-channel mixer provides four mono microphone/line inputs and four additional mono or two stereo line inputs. Hi-Z support is available on channel 4, while phantom power is provided on channels 1 and 2 for compatible condenser microphones.
Built-In Effects and Feedback Control
The mixer includes SPX digital reverb with four programs and parameter control. An onboard feedback suppressor helps control acoustic feedback, while the 1-Knob Master EQ™ provides convenient overall sound adjustment.
Flexible Installation and Monitoring
Each speaker includes a 35 mm StageLok™ pole socket and can be used as a floor monitor at a 50° angle. Monitor and subwoofer outputs provide additional system expansion options.
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Portable PA System |
| System Configuration | Powered Mixer with 2 Passive Speakers |
| Mixer Channels | 8 |
| Analog Inputs | 4 Mono Mic/Line + 4 Mono / 2 Stereo Line |
| Hi-Z | Channel 4 |
| Phantom Power | +30 V, Channels 1 and 2 |
| Bluetooth | Version 4.1, A2DP v1.2 |
| Bluetooth Range | Approx. 10 m |
| DSP | SPX Digital Reverb, 4 Programs |
| Feedback Suppressor | Yes |
| Master EQ | 1-Knob Master EQ™ |
| Dynamic Power | 400 W (200 W + 200 W) |
| Continuous Power | 360 W (180 W + 180 W) |
| Speaker Type | Two-Way Bass-Reflex |
| LF Driver | 8-inch Cone |
| HF Driver | 1-inch Voice Coil Compression Driver |
| Frequency Range | 55 Hz–20 kHz |
| Coverage | 90° × 60° |
| Maximum SPL | 125 dB SPL / Speaker |
| Pole Socket | 34.8–35.2 mm StageLok™ |
| Floor Monitor Angle | 50° |
| Speaker Dimensions | 289 × 472 × 275 mm |
| Mixer Dimensions | 308 × 180 × 116 mm |
| System Weight | 18.3 kg |
What’s Included
- Yamaha STAGEPAS 400BT Powered Mixer
- 2 × Passive Speakers
- Power Cord (2 m)
- 2 × Speaker Cables (6 m)
- Cover Panel
- Non-Skid Pads
- Ferrite Cores
- Cable Ties
