Yamaha STAGEPAS 400BT 400 W Portable PA System

Bring It. Set It. Make the Room Your Stage.

The Yamaha STAGEPAS 400BT combines a detachable 8-channel powered mixer, two custom-designed 8-inch loudspeakers and Bluetooth audio in one complete portable PA. With 400 watts of dynamic output, it delivers clear, evenly distributed sound for live music, presentations, rehearsals, classrooms, houses of worship and compact events.

The mixer stores securely inside either speaker for transport, while straightforward controls make professional sound accessible even when setup time is limited. SPX digital reverb, 1-Knob Master EQ, automatic feedback suppression and Yamaha’s intelligent DSP help produce a polished mix without adding a rack of external equipment.

A complete PA that packs into its own speakers

The system includes two passive loudspeakers, a detachable powered mixer, two 6 m speaker cables and the required power cord. The mixer fits into the rear compartment of either speaker, creating a compact, carry-ready package that is quick to transport, assemble and store.

400 watts of clean, dependable Yamaha sound

The Class-D amplifier supplies 200 W to each loudspeaker. Custom two-way bass-reflex cabinets pair an 8-inch low-frequency driver with a 1-inch voice-coil compression driver, producing a 55 Hz–20 kHz frequency range and up to 125 dB SPL per speaker.

Flexible 8-channel mixer for microphones, instruments and playback

Four mono mic/line channels support common performance and presentation sources, while channels 5/6 and 7/8 can operate as stereo pairs or independent mono inputs. Channel 4 includes a Hi-Z switch for connecting a passive guitar or bass directly, and +30 V phantom power is available on channels 1 and 2 for compatible condenser microphones.

Bluetooth playback without an extra cable

Stream backing tracks, interval music, presentation audio or event playlists from a compatible phone or tablet. Bluetooth 4.1 with A2DP provides a specified range of approximately 10 metres under suitable operating conditions.

Fast sound shaping with SPX effects and intelligent processing

Four high-resolution SPX reverb programs add controlled ambience to vocals and acoustic instruments. The 1-Knob Master EQ quickly adapts the overall system for speech, music or added low-end weight, while the onboard feedback suppressor identifies and reduces problem frequencies at the press of a button.

Ready to expand for monitoring or additional low end

Dedicated Monitor outputs can feed powered stage monitors or another sound system. Connecting a powered subwoofer to the mono Subwoofer output automatically applies a high-pass filter to the STAGEPAS speakers. StageLok pole sockets support standard 34.8–35.2 mm speaker poles, and an optional Yamaha FC5 can provide hands-free reverb switching.

Q. Who is the STAGEPAS 400BT best suited to?

It is well suited to solo and duo performers, acoustic groups, presenters, teachers, fitness instructors, rehearsal rooms, houses of worship and small events that need a portable all-in-one PA with straightforward operation.

Q. What is included with the system?

Yamaha specifies two speakers, the detachable powered mixer, a mixer cover panel, a 2 m power cord, two 6 m speaker cables, non-skid pads, ferrite cores and cable ties. Speaker stands and optional accessories are sold separately.

Q. Can I connect a guitar directly?

Yes. Channel 4 has a Hi-Z switch for direct connection of a passive guitar or bass. Other instruments, microphones and line-level sources can be connected through the remaining mixer inputs as appropriate.

Q. Can it power condenser microphones?

The mixer provides +30 V phantom power on channels 1 and 2 for compatible condenser microphones. Check the microphone’s power requirements before connection.

Q. Can I add a monitor or subwoofer?

Yes. Stereo Monitor outputs support external powered monitors or an additional PA feed, and the mono Subwoofer output can connect a powered subwoofer. The system automatically engages a high-pass filter when the subwoofer output is used.

Q. How does it differ from the STAGEPAS 600BT?

The 400BT is the lighter, more compact model, with 400 W output, two 8-inch speakers and an 8-channel mixer. The 600BT increases output to 680 W, uses 10-inch speakers and provides a 10-channel mixer for larger setups.

Why Buy from YMS?

• ✓ Authorised Yamaha Premium Retailer: Buy a genuine India-market Yamaha product with official manufacturer warranty support.
• ✓ Practical PA guidance: Our team can help plan microphone, instrument, monitor, subwoofer and speaker-stand requirements for your setup.
• ✓ Complete-system support: Ask us about suitable cables, microphones, stands, footswitches, powered monitors and subwoofers.
• ✓ Pan-India delivery: Order from anywhere in India, subject to serviceability for your location.
• ✓ Physical-store support: YMS teams in Bengaluru and Mangaluru are available for product enquiries and after-sales guidance.