Yamaha STAGEPAS 400BT Portable PA System
The Yamaha STAGEPAS 400BT is a powerful, all-in-one portable PA system designed for small performances, rehearsals, events, and presentations. With 400 watts of dynamic power, this system includes a detachable 8-channel powered mixer and two 8" passive speakers. It features Bluetooth streaming, SPX digital reverbs, a 1-knob Master EQ with virtual bass boost, and onboard feedback suppression — making it a versatile, pro-level choice for musicians and presenters who want convenience without sacrificing sound quality.

Features

• 400-watt power output (200W + 200W)
• Detachable 8-channel mixer (4 mono mic/line + 4 mono / 2 stereo line inputs)
• Bluetooth audio streaming
• SPX digital reverb (4 programs with parameter control)
• 1-Knob Master EQ™ with virtual bass boost
• Onboard feedback suppressor
• Hi-Z input (CH4), stereo/mono input switch (CH5/6–7/8)
• Great-sounding 2-band EQ per channel
• Phantom power (+30V on CH1 & CH2)
• Monitor and subwoofer outputs (with auto high-pass filter)
• Pole sockets with StageLok™ for speaker mounting
• Reverb footswitch compatible (optional)

Specifications

General
- Type: Powered mixer with 2 passive speakers
- Mixing Channels: 8 total
- Power Output: 400W dynamic (200W + 200W), 360W continuous (180W + 180W)
- DSP: SPX digital reverb (4 presets, adjustable parameters)
- Power Requirements: 100V–240V, 50/60Hz
- Power Consumption: 30W (idle), 70W (1/8 power)
- Pole Socket: 34.8–35.2 mm with StageLok™
- Handle: Top handle on mixer unit

I/O
- Inputs: 4 mono mic/line, 4 mono / 2 stereo line
- Outputs: Speaker Out (L/R), Monitor Out (L/Mono, R), Subwoofer Out (Mono w/ auto HPF)
- Bluetooth: Ver. 4.1, A2DP v1.2 (approx. 33 ft / 10 m range)
- Footswitch: Compatible with Yamaha FC5
- Input Channel Functions
- Hi-Z: Channel 4
- EQ High: 8 kHz shelving
- EQ Low: 100 Hz shelving
- ST/MONO switch: Channels 5/6 and 7/8

Speakers
- Type: Two-way bass-reflex
- LF Driver: 8" (20 cm) cone
- HF Driver: 1" (2.54 cm) compression driver
- Frequency Response (-10dB): 55 Hz – 20 kHz
- Nominal Coverage: H90° x V60°
- Floor Monitor Angle: 50°
- Max Output: 125 dB SPL (per speaker)
- Dimensions (W x H x D)
- Speaker (each): 11.4" x 18.6" x 10.8"
- Mixer: 12.1" x 7.1" x 4.6"

Weight
- Total: 40.3 lbs (18.3 kg)
- Each Speaker: 17 lbs (7.7 kg)
- Mixer: 6.4 lbs (2.9 kg)

Accessories Included
- Mixer cover panel
- Power cord (6.6 ft / 2 m)
- 2x speaker cables (19.7 ft / 6 m)
- 12x non-skid pads
- 2x ferrite cores
- 2x cable ties

Optional Accessories
- Yamaha BMS10A (mic stand adapter for mixer mount)
- Yamaha FC5 (foot switch for reverb ON/OFF)