The DA-250FH from TOA Electronics is a high-quality, rack mountable four-channel digital amplifier. Designed for highly efficient operation, the DA-250FH is capable of outputting 250W per channel. Each channel has an individual level control knob, and all input connections are via 3-pin removable terminal block. Output connections are made on a standard screw terminal strip.

The DA-250FH has an internally settable high-pass filter, as well as built-in protection circuitry to protect against damage from overheating and overloads. Four front-panel air vents each offer removable dust filters for easy maintenance to ensure your amplifier keeps running smoothly. Bridged operation is available via simple push-button operation if desired.

Rackmount Design    3-Pin Terminal Block Connectors    Screw Terminal Outputs    High-Pass Filter    Protection Circuitry

Lightweight single rack space unit

Four removable terminal block inputs with front-panel level controls for each channel

Four outputs on a screw terminal strip

Built-in limiter and high pass filter

Efficient Class D circuitry

Low heat dissipation and power consumption

Protection circuitry prevents damage from overheating and overloads

Front panel LEDs for power, input, output, peak, and protect

Includes volume control caps to prevent unwanted level changes

Related Questions and Answers

Q: 1. Can this connect to blue-tooth headphones as well as the 5.0 surround speakers?

A: Yes

Q: 2. Made in whitch country

A: This is made in China.

Q: 3. Can this also connect o blue-tooth head phones?

A: Yes. You can see these details on page 145 of the manual. https://www.bhphotovideo.com/lit_files/725697.pdf

Q: 4. Can i configure to view only four inputs on one screen? Can change back to six or four on the fly using USB/PC ?

A: Yes

Q: 5. where does the subwoofer plug in?

A: The Subwoofer connects to the RCA port on the back of the Yamaha AVENTAGE RX-A4A that is labeled "Subwoofer", which can be found in the 3rd picture on the B&H product page for this model.

Q: 6. Does it come with mic calibration and remote

A: Yes the Sony STR-DH790 comes with a calibration microphone and a remote.

Q: 7. How many Cameras can be keyed with chroma and luma keys

A: This switcher has one Keyer that would support one camera input.

Q: 8. You can output 4k?

A: You cannot. This goes up to HD only.

Q: 9. Wait, so these are technically second gen HDMI 2.1 receiver and you still have to wait for a firmware update to use 4k120hz?

A: Via a future firmware update, this receiver will support end-to-end 8K and 4K resolutions and higher refresh rates, giving you a smoother and more realistic viewing experience.

Q: 10. Does this come with a microphone for set up?

A: According to the 'In The Box' contents, it will come with a 'YPAO Setup Microphone'.