Description
* Denon AVR X2800H
* BMB CSD 2000
* BMB CSW 118
* BMB WB 5000S
The Denon AVR‑X2800H is a mid‑to‑high‑end 7.2‑channel AV receiver designed to be the center of your home entertainment system. It supports next‑generation 8K video, immersive 3D surround sound formats, and robust wireless streaming features, making it ideal for movies, gaming, and music alike. With built‑in HEOS® technology, Wi‑Fi, Bluetooth, and advanced room calibration, this receiver delivers balanced, detailed audio and flexible connectivity options for a wide variety of sources.
Key Features :
Audio & Surround Sound
- 7.2‑Channel Discrete Amplifier – Delivers up to ~95 W per channel (8 Ω) to drive your speakers with clarity and power.
- Immersive 3D Audio Support – Full support for Dolby Atmos®, DTS:X®, Dolby Surround, and DTS Neural:X™ for a realistic surround sound experience.
- Height Channels & Virtualization – Use 5.2.2 configurations with height speakers, or enjoy virtualization modes when height speakers aren’t available.
- Audyssey MultEQ XT Room Calibration – Automatic room measurement and speaker tuning help optimize sound performance for your specific room.
- Dual Subwoofer Outputs – Supports smoother, more even bass distribution across the listening area.
Video & HDMI Connectivity
- 8K/60Hz and 4K/120Hz Pass‑Through – Next‑gen video support on multiple HDMI inputs for ultra‑high‑definition sources.
- HDR Compatibility – Works with Dolby Vision®, HDR10+, HDR, HLG, and Dynamic HDR to enhance contrast and color performance.
- HDMI Inputs & Outputs – Typically includes 6 HDMI inputs and 2 outputs, with several 8K‑ready inputs for future‑proof video sources.
- eARC Support – Via HDMI for high‑quality audio return from your TV (e.g., Dolby Atmos via TV apps).
Wireless Streaming & Networking
- HEOS® Built‑In – Stream from Spotify, Tidal, Amazon Music, and other services; also supports HEOS multi‑room playback.
- Wi‑Fi & Bluetooth – Dual wireless connectivity for convenient music streaming from phones and tablets.
- AirPlay 2 & Voice Assistant Control – Supports AirPlay 2 for Apple devices and works with Alexa, Google Assistant, etc., for hands‑free control.
Smart Features & User Experience
- Denon Setup Assistant – Guided on‑screen setup makes installation and configuration easier.
- Flexible Speaker Configurations – Configure as 7.2, 5.2.2, or other setups depending on your speaker layout.
- Multi‑Zone Capability – Play different audio in a second room or the same audio throughout your home (depending on configuration).
Gaming & Future‑Ready Features
- Low Latency & VRR Support – Enhances gaming performance with reduced lag and smoother motion when used with compatible consoles.
- Quick Frame Transport (QFT) & ALLM – Improves responsiveness and input performance for gaming.
Typical Specifications (Highlights)
- Channels: 7.2 (supports 5.2.2/immersive layouts).
- Power: ~95 W per channel (8 Ω, 20 Hz–20 kHz, 0.08% THD).
- HDMI: 6 inputs / 2 outputs (with 3 8K‑capable inputs).
- Streaming: Wi‑Fi, Bluetooth, AirPlay 2, HEOS®.
- Room EQ: Audyssey MultEQ XT.
The BMB CSD‑2000 is a 12‑inch 3‑way, 5‑speaker system built primarily for karaoke, dance music, and party sound applications. It’s part of BMB’s CSD Series of commercial karaoke speakers, known for robust sound output, solid cabinet construction, and balanced performance across low, mid, and high frequencies. These speakers are designed to be paired with external amplifiers and mixers to deliver powerful audio in homes, karaoke rooms, or small venues.
Key Features :
Audio System & Drivers
3‑Way / 5‑Speaker Configuration: Combines a large woofer with multiple squawkers and tweeters for a full, wide‑range sound suitable for vocals and music.
12″ (30 cm) Woofer: Large paper cone woofer delivers strong bass and rhythmic low frequencies for music and backing tracks.
8 cm Squawkers & Tweeters (×4): Four midrange and high‑frequency drivers help produce clear vocals and detailed treble, crucial for karaoke performance.
Power & Performance
Rated Input Power ~500 W: Delivers consistent power handling for typical home or commercial karaoke use when driven by a capable external amplifier.
Max Input Power ~1200 W: Allows handling of peak power demands from dynamic music and high‑volume playback.
Impedance: 8 Ω: Compatible with a wide range of consumer and professional amplifiers.
Bass Reflex Design: Helps improve efficiency and low‑frequency extension, making the speaker sound louder and fuller.
Build & Construction
Sturdy Cabinet: A robust enclosure supports stable sound output even at higher volumes and helps reduce resonance.
Reliable Paper Cones Made in Japan: Many of the drivers use high‑quality paper cone materials for reliable acoustic performance.
Wide‑Sound Dispersion: The placement of multiple mid and high‑frequency drivers helps spread sound across a wider listening area, beneficial for group karaoke settings.
Physical & Technical Specs
Dimensions: ~568 × 350 × 336 mm (W × H × D).
Weight: ~18.5 kg per speaker.
Frequency Response: ~40 Hz – 20 kHz — covers most musical content from bass to treble.
High Sensitivity (~91 dB/W/m): Efficient output helps produce louder sound with less amplifier power.
The BMB CSW‑118 is a high‑output passive subwoofer engineered to deliver deep, impactful bass for karaoke systems, live sound, and larger audio setups. Designed as part of BMB’s CSW Series, this subwoofer uses a large 18‑inch driver and bass reflex cabinet to reproduce strong low frequencies with high efficiency and volume. Its robust construction and high power handling make it suitable for both home karaoke rooms and professional entertainment environments.
Key Features
Bass Performance
18″ Bass Driver: Large 18‑inch woofer delivers powerful, deep bass that enhances music and vocal applications for karaoke or PA systems.
Triangle Bass Reflex Design: Bass reflex enclosure tuned for faster, more dynamic low‑frequency output, giving punchy rhythm and solid presence even at high volumes.
Power & Output
High Power Handling: Rated at 600 W continuous, 1200 W program, and 2400 W peak for robust performance with powerful amplifiers.
Maximum Sound Pressure Level: Up to 123 dB (peak 129 dB), allowing loud, room‑filling bass ideal for parties, karaoke, or events.
Impedance: Standard 8 Ω makes it compatible with many pro amplifiers and receivers.
Frequency & Sensitivity
Wide Frequency Range: Covers approximately 50 Hz – 1.8 kHz (±3 dB) and 40 Hz – 2.5 kHz (–10 dB), delivering deep lows and mid‑bass reinforcement that integrates with full‑range speakers.
Sensitivity: About 95 dB, meaning it can produce significant volume with reasonable amplifier power.
Design & Construction
Bass Reflex Enclosure: Enhances low‑end efficiency for a richer bass response.
Sturdy Build: A robust cabinet designed for durability and reliable use in karaoke and professional audio setups.
Pole Mount Capability: Includes a pole mount option so a satellite speaker can be mounted on top of the subwoofer for more compact setups.
Size & Weight
Dimensions: Approximately 550 mm (H) × 661 mm (W) × 519 mm (D) — a substantial unit for strong low‑frequency performance.
Weight: Around 31.1 kg (net) — solid and stable, though requiring some effort to move and install.
Input Connectors: Includes dual speaker connector (4P) inputs for flexible signal connections with amplifiers or crossovers.
The BMB WB‑5000S is a professional UHF wireless microphone system designed for karaoke, live performances, events, and PA use. It delivers clear and stable wireless audio through a UHF transmission and includes advanced features to improve pairing, durability, and signal quality — making it ideal for both home and commercial karaoke environments.
Key Features
High‑Quality Sound & Signal
UHF Wireless System: Uses Unidirectional Dynamic UHF technology for reliable wireless audio performance.
Wide Frequency Range: Operates in the 640–690 MHz range with 200 selectable channels, reducing interference.
Good Frequency Response: Covers from 100 Hz to 10 kHz for clear vocal reproduction.
Low Distortion: Less than 5 % total harmonic distortion, keeping vocals natural and undistorted.
Strong Dynamic Range: Greater than 70 dB for improved audio depth and clarity.
Smart and User‑Friendly Design
Shake‑to‑Connect Function: Automatically pairs the microphone with the receiver by shaking the mic — simple and fast setup.
Drop‑Mute Safety: If the mic is dropped from above ~20 cm, it automatically mutes to prevent loud impact noises.
LCD Displays: Both mic and receiver have clear displays to show status and settings. .
Reliable Reception
Effective Wireless Range: Around 50 m (164 ft) for stable connection in large rooms or stages.
Strong RF Sensitivity: Around ‑90 dBm, helping pick up weak signals reliably.
PLL Locked Oscillation: Provides stable frequency locking to prevent drifting. .
Receiver & Output
Professional Outputs: Receiver includes two balanced XLR outputs plus unbalanced 6.3 mm (¼″) output, so you can connect to mixers and amps easily.
Stable SNR & Frequency Stability: Provides consistent audio reception with minimal noise.
Microphone Unit
Dynamic Capsule: Good for strong vocal pickup and durability.
Dual Power Levels: Adjustable power output for flexible use cases.
Backlit LCD: Easy to read settings on the handheld.
