Alpine S 5.25" Front+Rear Speaker Replacement for 08-10 Ford F-250/350/450/550

Description of DT-150-250: The DT 150 is a closed dynamic studio headphone with a modular construction offering excellent ambient noise isolation. The powerful neodymium magnet system provides high-fidelity reproduction and a balanced sound. The headband and earphone cushioning systems have been carefully designed for maximum comfort and serviceability. The padded headband can adjusted to fit on every head.Description of SAQH4 :Channel Your Sound.You've positioned your microphones, set your levels and everyone's ready to record. Now, you need a way for each performer to hear themselves. That's where the Samson QH4 comes in... The QH4 is a 4-channel headphone amplifier designed to distribute your audio to up to four individual headphones, each with its own volume control. Its compact design is perfect for use with any studio or desktop workstation, as well as with your laptop or smartphone when you're recording on the go.In Side... And OutThe QH4 features two balanced 1/4" inputs to connect with your mixer or recording interface, as well as a stereo 1/8" Aux input that's perfect for playing music via your smartphone or another line level device. In addition to the four stereo 1/4" headphone outputs, the QH4 provides a 1/8" Aux Out that can be used to daisy chain mutilple QH4s together.The four independent high-power amplifier channels deliver clean, crisp audio to up to four sets of headphones, operating between 16–600O. And power does not diminish even when all four channels are being used. Engineered with an ultra-low noise floor and wide dynamic range, the QH4 is a tremendous value compared to other headphone amplifiers on the market. Also, the QH4's Master volume control and Mute switch make controlling the overall level of your headphones a breeze.

• Package Includes: (4) Beyerdynmic DT-150-250 Ultra-High Isolation Live/Broadcast/Studio Headphones, (1) Samson QH4 4-Channel Studio/Podcast Monitoring Headphone Amplifier Amp,
• Features of DT-150-250: Beyerdynmic DT 150 Closed Monitoring Headphones For Use In Loud environments, film and recording studios, Closed headphone, Excellent ambient noise attenuation, Powerful neodymium headphone system for excellent reproduction accuracy, Wide frequency response (5 - 30.000 Hz), Capable of handling very high SPL, Rugged, easy serviceable construction as all parts are replaceable, Single-sided, detachable cable, Circumaural ear pads, Excellent comfort for long-term wearing
• Details: Transmission type Wired, Headphone design (operating principle) Closed, Headphone impedance 250 ohms, Headphone frequency response 5 - 30.000 Hz, Nominal sound pressure level 97 dB, Construction Circumaural (around the ear), Cable & plug Straight connecting cable with mini-jack plug (3.5 mm) & ¼“ adapter (6.35 mm), Net weight without packaging 388 g
• Features of SAQH4: SAMSON QH4 4-Channel Stereo DJ Studio Monitoring Headphone Amplifier Amp , 4-channel stereo headphone distribution amplifier, Four independent 1/4" stereo headphone channels, Individual volume control on each headphone channel, Two balanced 1/4" input connectors, Stereo 1/8" Aux input and output, Master Mute and Mono-summing switches
• Specifications: Inputs: 2 x 1/4" balanced, stereo 1/8" unbalanced TRS, Outputs: 4 x stereo 1/4" unbalanced, stereo 1/8" unbalanced TRS, Controls: Master volume, master Mute, master Mono, 4 x Channel volume, Noise Floor: -114dBu, 22k BW unweighted, Maximum Output: 8.3 dBu, 1% THD+N, loaded 16R, Dynamic Range: 22dB, 22k BW, Frequency Response: 17Hz–47kHz (-3dB), Power: 15VDC adapter