Sennheiser HD 300 Overview
The Sennheiser HD 300 PROtect are closed-back, over-ear studio monitor headphones offering high-resolution audio reproduction and switchable peak level protection for musicians, audio engineers, and event staff in broadcast, studio, and live stage applications. The precision-diaphragm dynamic drivers produce a wide frequency response of 6 Hz to 25 kHz with low distortion and a maximum SPL of 123 dB. Switch on the Active Gard hearing protection technology to limit levels above 110 dBA for safe listening even with unpredictable source volumes. The HD 300 PROtect’s circumaural, closed-back design provides up to 32 dB of passive isolation from ambient noise.
Thick ear cushions and headband padding ensure comfortable wearing for long listening sessions. The detachable 4.9′ single-sided cable is terminated with a 3.5mm stereo mini jack, and may be swapped for other Sennheiser modular cables (available separately). A 1/4″ TRS adapter is included to allow easy connectivity with mixers, dedicated headphone amplifiers, and audio interfaces. The HD 300 PROtect headphones fold for compact storage and transport.

YAMAHA YSL 882 Bb/F CUSTOM XENO TENOR TROMBONE
K&M 23266 TABLE MIC.STAND Gray
AHEAD STICK TIP TIP
K&M 18990 KEYBOARD STAND RICK BLACK
HOHNER MELODICA PERFORMER 37
PRS SE-SANTANA YELLOW
BOSS RC500 LOOP STATION
ROLAND SPD-ONE DRUM PAD KICK
GIBRALTAR GSSSB SLING STYLE STICK BAG
ERNIE BALL EARTHWOOD 12 STRING LIGHT
YAMAHA TRBX-204 BRIGHT RED METALLIC
FENDER HOT NOISELESS STRAT PICKUPS
DW SM102 LARGE FELT BEATER
YAMAHA STAGE CUSTOM BIRCH 2F5 NATURAL WOOD
K&M 164/16 HARMONICA HOLDER BLACK
ERNIE BALL 5-STRING SUPER SLINKY 40-125
GRETSCH DELTOLUXE PICKUP
YAMAHA FC-35 DIGITAL PIANO FOOT PEDAL
STAGG MELODICA 37-KEYS RED
BOSS CE5 STEREO CHORUS
IBANEZ RGA42FM BLF BLUE LAGOON BURST
K&M 236 MIC.BAR BLACK
DADDARIO EJ40 SILK & STEEL
SENNHEISER HD25 LIGHT 