The RP-400M bookshelf speakers offer maximum versatility without sacrificing performance from a small, yet elegant audio solution. Designed as main speakers for a compact living space or surround sound to support a Reference Premiere speaker system, the RP-400M bookshelf speakers are the ideal choice for your home theater system.
1” Titanium LTS Vented Tweeter with Hybrid Tractrix® Horn
4" Spun Copper Cerametallic™ Woofers
Bass-Reflex via Rear-Firing Tractrix® port
Premium Scratch-Resistant Finish
Strong, Flexible Removable Magnetic Grille
90° x 90° SILICON COMPOSITE HYBRID TRACTRIX® HORN
Horn loading maximizes efficiently and increases detail while focusing high
frequencies towards the listening area. Proprietary Tractrix® geometry provides the
most efficient transfer of high frequency waves into the listening area. The phase
plug and compressed molded silicon face ensure smooth frequency response. When
combined, the cleanest, most natural sound possible is created.
LINEAR TRAVEL SUSPENSION (LTS) TITANIUM DIAPHRAGM TWEETER
The exclusive Linear Travel Suspension minimizes distortion for enhanced, detailed
performance. LTS tweeters are a hallmark of previous Reference lines, making it a
core component of some of the best speakers in the world.
VENTED TWEETER DESIGN
The new vented tweeter housing reduces standing waves that create unwanted
harmonics, resulting in enhanced detail and clarity in high frequency reproduction.
SPUN COPPER CERAMETALLIC WOOFERS
A signature feature on the Reference Premiere series, Cerametallic™ woofers are
exceptionally rigid and lightweight for minimal distortion and maximum efficiency.
When paired with the Tractrix horn-loaded LTS tweeter, it provides the highest
speaker efficiency in its class.
ROBUST INPUT TERMINALS
Single 5-way input terminals accept banana plugs or bare wire up to 12-gauge for
flexible, lasting connections while the vibrant color coding provides easy set-up and
FREQUENCY RESPONSE 52Hz - 25kHz
SENSITIVITY 93dB @2.83V / 1m
POWER HANDLING (CONT/PEAK) 50W / 200W
NOMINAL IMPEDANCE 8 Ohm Compatible
CROSSOVER FREQUENCY 1500Hz
HIGH FREQUENCY DRIVER 1” Titanium LTS Vented Tweeter with Hybrid
Cross-Section Tractrix® Horn
LOW FREQUENCY DRIVER 4” Cerametallic Cone Woofer
ENCLOSURE MATERIAL MDF
ENCLOSURE TYPE Bass Reflex via rear-firing Tractrix® Port
INPUTS Single Binding Posts